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Math Tutor's Solution: 87/70 as a percent is 124.286%
Methods
Method 1 from a Tutor– Converting 87/70 Into a Percentage:
In a fraction, the number above the line is called the numerator, and the number below the line is called the denominator. The fraction shows how many “pieces” of the number there are, compared to how many there are possible. For instance, in the fraction 87/70, we could say that there are 87 pieces out of a possible 70 pieces.
“Percent” means “per hundred”, so for percentages we want to know how many pieces there are if there are 100 pieces possible. For example, if we look at the percentage 75%, that means we have 75 pieces of the possible 100. Re-writing this in fraction form, we see 75/100.
When converting the fraction into a percent, the first step is to adjust the fraction so that there will be 100 pieces possible (the denominator needs to be changed to 100). To do this, you first divide 100 by the denominator:
We can then adjust the whole fraction using this number, like so:
As you can see, there are 124.286 pieces out of a possible 100 pieces. Re-writing this as a percentage, we can see that 87/70 as a percentage is 124.286%.
Method 2 from a Math Tutor – Converting 87/70 Into a Percentage Using Decimals:
If you already know how to convert a fraction into a decimal, you can also use this method as a step for converting to a percentage. Let’s show you how.
First, convert the fraction into a decimal by dividing the numerator by the denominator:
If we multiply the decimal by 100, we will get the percentage:
1.243 * 100 = 124.286
Now we can see that 87/70 as a percentage is 124.286.
Try out both methods and see which one works best for you! Some people like to use the first method, while others will prefer to use the decimal method. There is no “best” way to convert fractions into percentages, just choose the method that works for you.
Math Tutor Suggets: Try some more percentage problems
With just a few more problems, you could become a pro at converting fractions to percentages. You can try some more problems from a math tutor right now!
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