∑Math calculator

Ratio Simplifier

Reduce a ratio of two whole numbers to its simplest form.

Enter first number and second number and get simplified ratio and greatest common divisor instantly.

InFirst numberInSecond numberOutSimplified ratioOutGreatest common divisorOutDecimal value (a ÷ b)
2 inputs4 resultsFree no signupPrivate in your browser

Ratio Simplifier

Fill in the values and the answer updates as you type.

Live
1 Your numbers
2 Your result

How the Ratio Simplifier works

Divide both numbers by their greatest common divisor to get the simplest ratio. Example: 24 : 36 has a GCD of 12, so it simplifies to 2 : 3. Use whole numbers; multiply decimals by 10 or 100 first.

Inputs and results

The Ratio Simplifier takes 2 inputs and gives 4 results.

What you enter

  • First number — starts at 24.
  • Second number — starts at 36.

What you get

  • Simplified ratio
  • Greatest common divisor
  • Decimal value (a ÷ b)
  • First number as share of total

Example: Ratio Simplifier with the starting values

With first number 24 and second number 36, the calculator returns:

Example results
Simplified ratio2 : 3
Greatest common divisor12
Decimal value (a ÷ b)0.6667
First number as share of total40%

Change any value above and the results update straight away.

Ratio Simplifier FAQ

How do I use the Ratio Simplifier?

Enter first number and second number in the fields, then read simplified ratio, greatest common divisor, decimal value (a ÷ b) and first number as share of total in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.

What does the Ratio Simplifier calculate?

Reduce a ratio of two whole numbers to its simplest form. It returns simplified ratio, greatest common divisor, decimal value (a ÷ b) and first number as share of total from the 2 values you provide.

What values does the Ratio Simplifier start with?

It opens with first number 24 and second number 36 so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.

Is the Ratio Simplifier free and private?

Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.

Can I rely on the Ratio Simplifier for important decisions?

Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm important decisions with a qualified professional. See the Disclaimer for more.