Answers

Subtract 15/40 from 63/49

1^st number: 1 14/49, 2^nd number: 15/40

63/49 - 15/40 is 51/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 40 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 49 × 40 = 1960,
   63/49 = 63 × 40/49 × 40 = 2520/1960
3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
   15/40 = 15 × 49/40 × 49 = 735/1960
4. Subtract the two like fractions:
   2520/1960 - 735/1960 = 2520 - 735/1960 = 1785/1960
5. After reducing the fraction, the answer is 51/56

MathStep (Works offline)

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

Related: ⁶³/₄₉-³⁰/₄₀ ⁶³/₉₈-¹⁵/₄₀ ⁶³/₄₉-¹⁵/₈₀ ⁶³/₄₉-⁴⁵/₄₀ ⁶³/₄₉-⁷⁵/₄₀

Subtract Fractions Calculator