Answers

Subtract 15/14 from 6/81

1^st number: 6/81, 2^nd number: 1 1/14

6/81 - 15/14 is -377/378.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 14 is 1134
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1134
2. For the 1st fraction, since 81 × 14 = 1134,
   6/81 = 6 × 14/81 × 14 = 84/1134
3. Likewise, for the 2nd fraction, since 14 × 81 = 1134,
   15/14 = 15 × 81/14 × 81 = 1215/1134
4. Subtract the two like fractions:
   84/1134 - 1215/1134 = 84 - 1215/1134 = -1131/1134
5. After reducing the fraction, the answer is -377/378

MathStep (Works offline)

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

Related: ¹²/₈₁-¹⁵/₁₄ ⁶/₈₁-³⁰/₁₄ ⁶/₈₁-¹⁵/₂₈ ¹⁸/₈₁-¹⁵/₁₄ ⁶/₈₁-⁴⁵/₁₄ ⁶/₈₁-¹⁵/₄₂ ³⁰/₈₁-¹⁵/₁₄ ⁶/₈₁-⁷⁵/₁₄ ⁶/₈₁-¹⁵/₇₀ ⁴²/₈₁-¹⁵/₁₄ ⁶/₈₁-¹⁵/₉₈

Subtract Fractions Calculator