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Fraction Calculator

Enter two fractions and an operation to get a simplified result, with decimal and mixed-number forms.

5/6

decimal: 0.833333

How to use it

  1. Enter the first fraction Type the numerator and denominator.
  2. Pick an operation Add, subtract, multiply or divide.
  3. Enter the second fraction Read the simplified result instantly.

Examples

1/2 + 1/3 5/6
1/2 ÷ 1/4 2/1

About this tool

Fractions trip up a lot of mental arithmetic, especially when the denominators don’t match. This calculator does the cross-multiplication for you and then reduces the answer to its simplest form, so you never have to hunt for a common factor by hand.

Alongside the exact fraction it shows the decimal value and, when the result is an improper fraction, the equivalent mixed number. Everything is computed in your browser, so it is instant and private.

Frequently asked questions

Does it simplify the result?

Yes. Every answer is reduced to lowest terms using the greatest common divisor, and also shown as a decimal and a mixed number.

Can it handle negative fractions?

Yes — enter a negative numerator. The sign is kept on the numerator of the simplified result.

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Updated June 13, 2026