It"s very common when learning about fractions to want to know how convert a fraction like 20/40 into a percentage. In this step-by-step guide, we"ll show you how to turn any fraction into a percentage really easily. Let"s take a look!


Want to quickly learn or show students how to convert 20/40 to a percentage? Play this very quick and fun video now!


Before we get started in the fraction to percentage conversion, let"s go over some very quick fraction basics. Remember that a numerator is the number above the fraction line, and the denominator is the number below the fraction line. We"ll use this later in the tutorial.

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When we are using percentages, what we are really saying is that the percentage is a fraction of 100. "Percent" means per hundred, and so 50% is the same as saying 50/100 or 5/10 in fraction form.

So, since our denominator in 20/40 is 40, we could adjust the fraction to make the denominator 100. To do that, we divide 100 by the denominator:

100 ÷ 40 = 2.5

Once we have that, we can multiple both the numerator and denominator by this multiple:


20 x 2.5/40 x 2.5=50/100

Now we can see that our fraction is 50/100, which means that 20/40 as a percentage is 50%.

We can also work this out in a simpler way by first converting the fraction 20/40 to a decimal. To do that, we simply divide the numerator by the denominator:

20/40 = 0.5

Once we have the answer to that division, we can multiply the answer by 100 to make it a percentage:

0.5 x 100 = 50%

And there you have it! Two different ways to convert 20/40 to a percentage. Both are pretty straightforward and easy to do, but I personally prefer the convert to decimal method as it takes less steps.

I"ve seen a lot of students get confused whenever a question comes up about converting a fraction to a percentage, but if you follow the steps laid out here it should be simple. That said, you may still need a calculator for more complicated fractions (and you can always use our calculator in the form below).

If you want to practice, grab yourself a pen, a pad, and a calculator and try to convert a few fractions to a percentage yourself.

Hopefully this tutorial has helped you to understand how to convert a fraction to a percentage. You can now go forth and convert fractions to percentages as much as your little heart desires!

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What is 20/40 as a percentage?. cg-tower.com. Retrieved from https://cg-tower.com/calculator/fraction-as-percentage/what-is-20-40-as-a-percentage/.

Fraction to Percentage Calculator


Fraction as Percentage

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