Answers

Subtract 50/81 from 42/3

1^st number: 14 0/3, 2^nd number: 50/81

42/3 - 50/81 is 1084/81.

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,
   42/3 = 42 × 27/3 × 27 = 1134/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   50/81 = 50 × 1/81 × 1 = 50/81
4. Subtract the two like fractions:
   1134/81 - 50/81 = 1134 - 50/81 = 1084/81
5. In mixed form: 1331/81

MathStep (Works offline)

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

Related: ⁸⁴/₃-⁵⁰/₈₁ ⁴²/₆-⁵⁰/₈₁ ⁴²/₉-⁵⁰/₈₁ ⁴²/₁₅-⁵⁰/₈₁ ⁴²/₂₁-⁵⁰/₈₁

Subtract Fractions Calculator