Answers

Subtract 48/54 from 27/20

1^st number: 1 7/20, 2^nd number: 48/54

27/20 - 48/54 is 83/180.

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,
   27/20 = 27 × 27/20 × 27 = 729/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   48/54 = 48 × 10/54 × 10 = 480/540
4. Subtract the two like fractions:
   729/540 - 480/540 = 729 - 480/540 = 249/540
5. After reducing the fraction, the answer is 83/180

MathStep (Works offline)

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

Related: ⁵⁴/₂₀-⁴⁸/₅₄ ²⁷/₂₀-⁹⁶/₅₄ ²⁷/₄₀-⁴⁸/₅₄ ⁸¹/₂₀-⁴⁸/₅₄ ²⁷/₆₀-⁴⁸/₅₄

Subtract Fractions Calculator