Answers

Subtract 48/54 from 63/40

1^st number: 1 23/40, 2^nd number: 48/54

63/40 - 48/54 is 247/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 54 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 40 × 27 = 1080,
   63/40 = 63 × 27/40 × 27 = 1701/1080
3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
   48/54 = 48 × 20/54 × 20 = 960/1080
4. Subtract the two like fractions:
   1701/1080 - 960/1080 = 1701 - 960/1080 = 741/1080
5. After reducing the fraction, the answer is 247/360

MathStep (Works offline)

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

Related: ⁶³/₄₀-⁹⁶/₅₄ ⁶³/₈₀-⁴⁸/₅₄

Subtract Fractions Calculator