Which Statement Correctly Compares The Amounts Of Pizza Eaten By Adam, Kim, And Harry?

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Introduction

In this article, we will delve into a fascinating scenario involving Adam, Kim, and Harry, who shared a pizza. Our primary focus will be on analyzing the fractions of the pizza each person consumed. Adam ate 2/3 of the pizza, Kim ate 1/4, and Harry finished off 1/12. To truly understand their pizza consumption, we will compare these fractions, determining who ate the most, who ate the least, and the overall distribution of the pizza. This exploration is not just about pizza; it’s a journey into the world of fractions, comparisons, and mathematical reasoning. We aim to make this journey engaging and informative, ensuring that you grasp the core concepts with ease. By the end of this discussion, you will not only know who ate more pizza but also have a solid understanding of how to compare fractions effectively.

Understanding the Fractions

To begin, let’s break down the fractions representing the pizza each person ate. Adam consumed 2/3 of the pizza, which means the pizza was divided into three equal parts, and Adam ate two of those parts. Kim, on the other hand, ate 1/4 of the pizza, indicating that the pizza was divided into four equal parts, and she ate one of them. Lastly, Harry ate 1/12 of the pizza, meaning the pizza was divided into twelve equal parts, and he ate just one. Understanding these individual fractions is the first step in comparing them. We need to visualize what these fractions represent in relation to the whole pizza. For instance, 2/3 represents a significant portion, while 1/12 represents a much smaller slice. To accurately compare these fractions, we need a common ground, a unified way of looking at them. This is where the concept of a common denominator comes into play, which will be discussed in the next section. Recognizing the magnitude of each fraction is crucial for making meaningful comparisons and understanding the overall distribution of the pizza among Adam, Kim, and Harry.

Finding a Common Denominator

In order to accurately compare the fractions 2/3, 1/4, and 1/12, we need to find a common denominator. A common denominator is a number that all the denominators (3, 4, and 12 in this case) can divide into evenly. This allows us to express the fractions in terms of the same whole, making comparison straightforward. The least common multiple (LCM) of 3, 4, and 12 is the smallest number that satisfies this condition. To find the LCM, we can list the multiples of each number: Multiples of 3: 3, 6, 9, 12, 15,... Multiples of 4: 4, 8, 12, 16,... Multiples of 12: 12, 24, 36,... The smallest number that appears in all three lists is 12. Therefore, 12 is the least common multiple and our common denominator. Now, we need to convert each fraction to an equivalent fraction with a denominator of 12. This involves multiplying both the numerator and the denominator of each fraction by a factor that will result in a denominator of 12. This process ensures that we are comparing equal parts of the same whole, which is essential for accurate comparisons.

Converting the Fractions

Now that we have our common denominator of 12, let’s convert each fraction. For Adam's share, which is 2/3, we need to find a number to multiply both the numerator and the denominator by to get a denominator of 12. We can achieve this by multiplying both the numerator and the denominator by 4 (since 3 * 4 = 12). This gives us (2 * 4) / (3 * 4) = 8/12. So, Adam ate 8/12 of the pizza. Next, let's convert Kim's share, which is 1/4. We need to multiply both the numerator and the denominator by 3 (since 4 * 3 = 12). This results in (1 * 3) / (4 * 3) = 3/12. Thus, Kim ate 3/12 of the pizza. Lastly, Harry's share is already given as 1/12, so no conversion is needed. Now, we have all the fractions expressed with the same denominator: Adam ate 8/12, Kim ate 3/12, and Harry ate 1/12. This conversion is crucial because it allows us to directly compare the numerators, which now represent portions of the same whole. With these converted fractions, we can easily see who ate more pizza by simply comparing the numerators.

Comparing the Fractions and Determining Who Ate More

With the fractions now expressed using a common denominator of 12, the comparison becomes straightforward. Adam ate 8/12 of the pizza, Kim ate 3/12, and Harry ate 1/12. To compare these fractions, we only need to compare the numerators. The larger the numerator, the larger the fraction of the pizza eaten. Comparing the numerators, we have 8, 3, and 1. Clearly, 8 is the largest, followed by 3, and then 1. This means that Adam ate the most pizza (8/12), Kim ate the second most (3/12), and Harry ate the least (1/12). This comparison not only tells us who ate more but also gives us a clear sense of the proportion of pizza each person consumed. The difference between Adam's share and Harry's share is significant, highlighting the importance of using a common denominator to make accurate comparisons. This exercise demonstrates a fundamental principle in comparing fractions: when the denominators are the same, the fraction with the larger numerator represents a larger portion of the whole.

Visual Representation of the Fractions

To further illustrate the comparison, let's visualize the fractions. Imagine the pizza cut into 12 equal slices (since our common denominator is 12). Adam ate 8 of these slices, which is more than half the pizza. Kim ate 3 slices, which is a smaller portion, but still a noticeable amount. Harry ate only 1 slice, representing a very small portion of the whole pizza. This visual representation makes the comparison even more intuitive. You can easily see the difference in the amounts eaten by each person. Adam’s share is significantly larger than Kim's, and Kim's share is larger than Harry's. Visual aids like this can be incredibly helpful in understanding fractional quantities and their relative sizes. They provide a concrete way to grasp the concept and make the comparison more memorable. In addition to the visual representation, we can also use number lines or pie charts to further illustrate the fractions and their relationships.

Mathematical Statement Comparing the Fractions

Now, let’s express the comparison of the fractions in a mathematical statement. We know that Adam ate 8/12, Kim ate 3/12, and Harry ate 1/12 of the pizza. To show this mathematically, we can use inequality symbols. The symbol “>” means “greater than,” and the symbol “<” means “less than.” Using these symbols, we can write the following statements: 8/12 > 3/12 (Adam ate more than Kim) 3/12 > 1/12 (Kim ate more than Harry) 8/12 > 1/12 (Adam ate more than Harry) We can also combine these statements into a single inequality chain: 8/12 > 3/12 > 1/12 This statement concisely shows the order of pizza consumption from greatest to least. It’s a powerful way to summarize our findings and clearly communicate the relationship between the fractions. This mathematical representation provides a formal and precise way to express the comparison, reinforcing the concepts we've discussed.

Real-World Application of Fraction Comparison

The exercise of comparing fractions extends far beyond just pizza scenarios. In everyday life, we encounter fractions in various contexts, from cooking and baking to measuring and finance. Understanding how to compare fractions is a valuable skill that helps us make informed decisions. For instance, if you are following a recipe that calls for 1/2 cup of flour and you only have a 1/4 cup measuring spoon, you need to know that 1/2 is greater than 1/4 to adjust the recipe accordingly. Similarly, in financial matters, comparing interest rates or discounts often involves working with fractions or percentages, which are essentially fractions. When shopping, you might need to compare two offers, such as 20% off versus 1/3 off, to determine which provides the better deal. The ability to convert fractions to a common denominator and compare them allows you to make accurate comparisons and choose the best option. This skill is also essential in fields like science and engineering, where precise measurements and calculations are crucial. By mastering fraction comparison, you equip yourself with a fundamental tool for problem-solving and decision-making in numerous real-world situations.

Conclusion

In conclusion, our pizza adventure with Adam, Kim, and Harry has provided a delicious context for understanding fraction comparison. By converting the fractions to a common denominator, we were able to easily determine that Adam ate the most pizza, followed by Kim, and then Harry. This exercise not only reinforced the concept of fraction comparison but also highlighted its practical application in real-life scenarios. From cooking to finance, the ability to compare fractions is a valuable skill that empowers us to make informed decisions. We hope this discussion has clarified the process of comparing fractions and inspired you to explore further mathematical concepts. Remember, mathematics is not just about numbers; it's about understanding relationships, solving problems, and making sense of the world around us. So, the next time you encounter fractions, whether in a recipe, a financial calculation, or a pizza-sharing situation, you’ll be well-equipped to compare them with confidence. And who knows, maybe this newfound skill will help you get the biggest slice next time!