Answers

Subtract 30/81 from 70/81

70/81 - 30/81 is 40/81.

Steps for subtracting fractions

1. Subtract the two fractions:
   70/81 - 30/81 = 70 - 30/81 = 40/81

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁷⁰/₈₁-⁶⁰/₈₁ ⁷⁰/₈₁-⁹⁰/₈₁

Subtract Fractions Calculator