Answers

Subtract 56/54 from 5/20

1^st number: 5/20, 2^nd number: 1 2/54

5/20 - 56/54 is -85/108.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 54 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   5/20 = 5 × 27/20 × 27 = 135/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   56/54 = 56 × 10/54 × 10 = 560/540
4. Subtract the two like fractions:
   135/540 - 560/540 = 135 - 560/540 = -425/540
5. After reducing the fraction, the answer is -85/108

MathStep (Works offline)

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

Related: ¹⁰/₂₀-⁵⁶/₅₄ ⁵/₄₀-⁵⁶/₅₄ ¹⁵/₂₀-⁵⁶/₅₄ ⁵/₆₀-⁵⁶/₅₄ ²⁵/₂₀-⁵⁶/₅₄ ³⁵/₂₀-⁵⁶/₅₄

Subtract Fractions Calculator