Answers

Subtract 5/56 from 6/81

6/81 - 5/56 is -23/1512.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 56 is 4536
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4536
2. For the 1st fraction, since 81 × 56 = 4536,
   6/81 = 6 × 56/81 × 56 = 336/4536
3. Likewise, for the 2nd fraction, since 56 × 81 = 4536,
   5/56 = 5 × 81/56 × 81 = 405/4536
4. Subtract the two like fractions:
   336/4536 - 405/4536 = 336 - 405/4536 = -69/4536
5. After reducing the fraction, the answer is -23/1512

MathStep (Works offline)

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

Related: ¹²/₈₁-⁵/₅₆ ⁶/₈₁-¹⁰/₅₆ ¹⁸/₈₁-⁵/₅₆ ⁶/₈₁-¹⁵/₅₆ ³⁰/₈₁-⁵/₅₆ ⁶/₈₁-²⁵/₅₆ ⁴²/₈₁-⁵/₅₆ ⁶/₈₁-³⁵/₅₆

Subtract Fractions Calculator