Answers

Subtract 24/54 from 28/20

1^st number: 1 8/20, 2^nd number: 24/54

28/20 - 24/54 is 43/45.

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,
   28/20 = 28 × 27/20 × 27 = 756/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   24/54 = 24 × 10/54 × 10 = 240/540
4. Subtract the two like fractions:
   756/540 - 240/540 = 756 - 240/540 = 516/540
5. After reducing the fraction, the answer is 43/45

MathStep (Works offline)

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

Related: ⁵⁶/₂₀-²⁴/₅₄ ²⁸/₂₀-⁴⁸/₅₄ ²⁸/₄₀-²⁴/₅₄ ⁸⁴/₂₀-²⁴/₅₄ ²⁸/₂₀-⁷²/₅₄ ²⁸/₆₀-²⁴/₅₄

Subtract Fractions Calculator