Answers

Subtract 56/81 from 12/3

1^st number: 4 0/3, 2^nd number: 56/81

12/3 - 56/81 is 268/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 81 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 3 × 27 = 81,
   12/3 = 12 × 27/3 × 27 = 324/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   56/81 = 56 × 1/81 × 1 = 56/81
4. Subtract the two like fractions:
   324/81 - 56/81 = 324 - 56/81 = 268/81
5. In mixed form: 325/81

MathStep (Works offline)

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

Related: ²⁴/₃-⁵⁶/₈₁ ¹²/₆-⁵⁶/₈₁ ³⁶/₃-⁵⁶/₈₁ ¹²/₉-⁵⁶/₈₁ ⁶⁰/₃-⁵⁶/₈₁ ¹²/₁₅-⁵⁶/₈₁ ⁸⁴/₃-⁵⁶/₈₁ ¹²/₂₁-⁵⁶/₈₁

Subtract Fractions Calculator