Fraction Calculator

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How to Convert and Calculate Fractions

To add fractions, make the denominators the same, then add the numerators.

Example:

1/2 + 1/3

Find a common denominator: 6

3/6 + 2/6 = 5/6

To subtract fractions, make the denominators the same, then subtract the numerators.

Example:

3/4 - 1/6

Find a common denominator: 12

9/12 - 2/12 = 7/12

Multiply numerators together and denominators together.

Example:

2/5 × 3/4

(2 × 3) / (5 × 4) = 6/20

After simplifying: 3/10

Flip the second fraction (reciprocal) and then multiply.

Example:

3/7 ÷ 2/5

Flip the second fraction: 5/2

Multiply: (3 × 5) / (7 × 2) = 15/14

Answer in mixed number: 1 1/14