Answers

Subtract 15/60 from 63/42

1^st number: 1 21/42, 2^nd number: 15/60

63/42 - 15/60 is 5/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 42 × 10 = 420,
   63/42 = 63 × 10/42 × 10 = 630/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   15/60 = 15 × 7/60 × 7 = 105/420
4. Subtract the two like fractions:
   630/420 - 105/420 = 630 - 105/420 = 525/420
5. After reducing the fraction, the answer is 5/4
6. In mixed form: 11/4

MathStep (Works offline)

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

Related: ⁶³/₄₂-³⁰/₆₀ ⁶³/₈₄-¹⁵/₆₀ ⁶³/₄₂-⁴⁵/₆₀ ⁶³/₄₂-⁷⁵/₆₀

Subtract Fractions Calculator