Ratios Calculator

Simplify RatioRegular Ratio
Enter a:b or a to b

Enter a:b or a to b

Enter Total Population


Simplify the ratio 15 : 20

GCF = 5

We can express our ratio as a fraction



Our simplified ratio is 3 : 4

What is the Answer?

3 : 4

How does the Ratios Calculator work?

Free Ratios Calculator - * Simplifies a ratio of a:b
* Given a ratio in the form a:b or a to b, and a total population amount, this calculator will determine the expected value of A and B from the ratio.

This calculator has 3 inputs.

What 1 formula is used for the Ratios Calculator?

  1. a:b = a/b

For more math formulas, check out our Formula Dossier

What 6 concepts are covered in the Ratios Calculator?

The bottom portion of a fraction. For a/b, b is the denominator
how many parts of a certain size exist
a/b where a is the numerator and b is the denominator
greatest common factor
largest positive integer dividing a set of integers
the number above the line in a common fraction
indicates how many times one number contains another

Example calculations for the Ratios Calculator

  1. 80:200
  2. the ratio of 100 to 25000
  3. 7:5 for 100
  4. 9 to 4 for 30
  5. 9:5 and 7:2
  6. a:b = 5:4 and b:c = 6:5

Ratios Calculator Video


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