Online Fraction Calculator

You can use the following online fraction calculator to add, subtract, multiply, or divide fractions.

Fraction Calculator


Free JavaScripts provided
by The JavaScript Source

How to use this calculator

Use your keyboard to enter the numerator and the denominator for each fraction.

Select the desired operation (addition, subtraction, multiplication, or division).

Click on the equal button to see the answer.

If you want the calculator to display the answer as a fraction in simplest form, click the "reduce" box.

If you do not want to simplify the answer, uncheck the "reduce" box.

Since this calculator has a built-in capability to simplify the final answer, you can also use it to verify equivalency between various fractions.

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