Answers

Subtract 5/20 from 75/54

1^st number: 1 21/54, 2^nd number: 5/20

75/54 - 5/20 is 41/36.

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,
   75/54 = 75 × 10/54 × 10 = 750/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   5/20 = 5 × 27/20 × 27 = 135/540
4. Subtract the two like fractions:
   750/540 - 135/540 = 750 - 135/540 = 615/540
5. After reducing the fraction, the answer is 41/36
6. In mixed form: 15/36

MathStep (Works offline)

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

Related: ⁷⁵/₅₄-¹⁰/₂₀ ⁷⁵/₅₄-⁵/₄₀ ⁷⁵/₅₄-¹⁵/₂₀ ⁷⁵/₅₄-⁵/₆₀ ⁷⁵/₅₄-²⁵/₂₀ ⁷⁵/₅₄-³⁵/₂₀

Subtract Fractions Calculator