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Introduction
If you are a math enthusiast or just someone who is curious about numbers, you may have come across the question “what is 3 5 of 20?” This question may seem simple at first glance, but it can be a bit tricky to answer. In this article, we will explore what 3 5 of 20 means and how to calculate it.
Understanding Fractions
Before we dive into the question, let us first understand what fractions are. Fractions are a way of expressing a part of a whole. For example, if you have a pizza and you want to express how much of it you have eaten, you can use a fraction. If you have eaten three out of eight slices, you can write it as 3/8.
Parts of a Fraction
A fraction has two parts – the numerator and the denominator. The numerator is the top part of the fraction and represents the number of parts you have. The denominator is the bottom part of the fraction and represents the total number of parts in the whole.
What is 3 5 of 20?
Now that we have a basic understanding of fractions, let us answer the question “what is 3 5 of 20?” In this case, 20 is the whole and 3 5 represents the part. To calculate it, we need to multiply the whole (20) by the fraction (3 5).
Calculating 3 5 of 20
To calculate 3 5 of 20, we need to multiply 20 by 3/5. We can do this by first converting 3/5 into a decimal. To convert a fraction to a decimal, we divide the numerator by the denominator. In this case, 3 divided by 5 is 0.6. Now that we have converted 3 5 into a decimal, we can multiply it by 20. If we multiply 0.6 by 20, we get 12. Therefore, 3 5 of 20 is 12.
Uses of Fractions
Fractions are used in many real-life situations, such as cooking, construction, and finance. If you are a chef, you need to know how to measure ingredients in fractions to get the right taste. If you are a builder, you need to know how to measure materials in fractions to ensure the structure is strong. If you are an investor, you need to know how to calculate fractions to determine your returns.
Addition and Subtraction of Fractions
In addition to multiplication and division, fractions can also be added and subtracted. To add or subtract fractions, we need to make sure they have a common denominator. The common denominator is the smallest number that both denominators can divide into evenly. For example, if we want to add 1/4 and 2/5, we need to find a common denominator. The smallest number that 4 and 5 can divide into evenly is 20. To convert 1/4 into a fraction with a denominator of 20, we need to multiply both the numerator and denominator by 5. This gives us 5/20. To convert 2/5 into a fraction with a denominator of 20, we need to multiply both the numerator and denominator by 4. This gives us 8/20. Now that we have both fractions with a common denominator of 20, we can add them. The sum of 5/20 and 8/20 is 13/20.
Conclusion
In conclusion, the question “what is 3 5 of 20?” can be answered by multiplying 20 by 3/5, which gives us 12. Fractions are a useful tool in many real-life situations and can be added, subtracted, multiplied, and divided. With this knowledge, you can solve many mathematical problems and impress your friends with your math skills.
