Answers

Subtract 63/18 from 50/56

1^st number: 50/56, 2^nd number: 3 9/18

50/56 - 63/18 is -73/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 18 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 56 × 9 = 504,
   50/56 = 50 × 9/56 × 9 = 450/504
3. Likewise, for the 2nd fraction, since 18 × 28 = 504,
   63/18 = 63 × 28/18 × 28 = 1764/504
4. Subtract the two like fractions:
   450/504 - 1764/504 = 450 - 1764/504 = -1314/504
5. After reducing the fraction, the answer is -73/28

MathStep (Works offline)

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

Related: ⁵⁰/₅₆-⁶³/₃₆ ⁵⁰/₅₆-⁶³/₅₄ ⁵⁰/₅₆-⁶³/₉₀

Subtract Fractions Calculator