Answers

Subtract 48/54 from 30/20

1^st number: 1 10/20, 2^nd number: 48/54

30/20 - 48/54 is 11/18.

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,
   30/20 = 30 × 27/20 × 27 = 810/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   48/54 = 48 × 10/54 × 10 = 480/540
4. Subtract the two like fractions:
   810/540 - 480/540 = 810 - 480/540 = 330/540
5. After reducing the fraction, the answer is 11/18

MathStep (Works offline)

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

Related: ⁶⁰/₂₀-⁴⁸/₅₄ ³⁰/₂₀-⁹⁶/₅₄ ³⁰/₄₀-⁴⁸/₅₄ ⁹⁰/₂₀-⁴⁸/₅₄ ³⁰/₆₀-⁴⁸/₅₄

Subtract Fractions Calculator