Answers

Subtract 56/81 from 36/12

1^st number: 3 0/12, 2^nd number: 56/81

36/12 - 56/81 is 187/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 12 × 27 = 324,
   36/12 = 36 × 27/12 × 27 = 972/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   56/81 = 56 × 4/81 × 4 = 224/324
4. Subtract the two like fractions:
   972/324 - 224/324 = 972 - 224/324 = 748/324
5. After reducing the fraction, the answer is 187/81
6. In mixed form: 225/81

MathStep (Works offline)

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

Related: ⁷²/₁₂-⁵⁶/₈₁ ³⁶/₂₄-⁵⁶/₈₁ ³⁶/₆₀-⁵⁶/₈₁ ³⁶/₈₄-⁵⁶/₈₁

Subtract Fractions Calculator