Answers

Subtract 70/20 from 8/54

1^st number: 8/54, 2^nd number: 3 10/20

8/54 - 70/20 is -181/54.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   8/54 = 8 × 10/54 × 10 = 80/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   70/20 = 70 × 27/20 × 27 = 1890/540
4. Subtract the two like fractions:
   80/540 - 1890/540 = 80 - 1890/540 = -1810/540
5. After reducing the fraction, the answer is -181/54

MathStep (Works offline)

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

Related: ¹⁶/₅₄-⁷⁰/₂₀ ⁸/₅₄-⁷⁰/₄₀ ²⁴/₅₄-⁷⁰/₂₀ ⁸/₅₄-⁷⁰/₆₀ ⁴⁰/₅₄-⁷⁰/₂₀ ⁵⁶/₅₄-⁷⁰/₂₀

Subtract Fractions Calculator