1/2 - 1/3 = (1×3-1×2) / (2×3) = 1/6
Multiply the numerator and denominator of your first fraction by that number. Repeat Steps 3 and 4 for each fraction. For addition equations, add the fraction numerators. For subtraction equations, subtract the fraction numerators.
Enter fractions and press the = button.
Enter simple fractions with slash (/).
For example: 1/2 - 1/3
Enter mixed numbers with space.
For example: 2 1/2 - 1 1/3