Fraction and ratio calculator

THE WHAT-IF SANDBOXLive

How do I add 1/2 and 1/3?

Add, subtract, multiply, divide and simplify fractions and ratios.

First top number (numerator)

First bottom number (denominator)

Second top number

Second bottom number

HERE’S THE BIGGER PICTURE

1/2 + 1/3

5/6

1/2 − 1/3 = 1/6 · 1/2 × 1/3 = 1/6 · 1/2 ÷ 1/3 = 3/2. As decimals: 0.5 and 0.333. As ratios, simplified: 1:2 and 1:3.

No sign-up. No spreadsheets. Just a little clarity.Your figures. Real math.