Subtract fractions

This function subtracts two fractions. Optionally, an integer can also be specified for each fraction.

To perform the calculation, enter the appropriate values. Then click on the 'Calculate' button

Subtract fractions calculator  Input Delete Entries − Result

Negative mixed fraction

When entering, a negative sign in front of the integer applies to the entire fraction.

\(\displaystyle -2\frac{2}{3}\) is interpreted as   \(\displaystyle -\left(2\frac{2}{3}\right)\)

Example: subtract fractions

Subtract the following fractions

\(\displaystyle \frac{2}{3}-\frac{1}{6}\)

Find common denominator by multiplication

\(\displaystyle 3 × 6 = 18\)

Calculate the multiplier of the numerators

\(\displaystyle 18 ÷ 3 = 6\)
\(\displaystyle 18 ÷ 6 = 3\)

Expand and subtract fractions

\(\displaystyle \frac{2 × 6}{18}-\frac{1 × 3}{18} \)

\(\displaystyle \frac{12}{18}-\frac{3}{18} = \frac{9}{18}\)

Simplify the result

\(\displaystyle \frac{9}{18} = \color{blue}{\frac{1}{2}}\)