Answers

Add 63/56 and 25/20

1^st number: 1 7/56, 2^nd number: 1 5/20

63/56 + 25/20 is 19/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 20 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   63/56 = 63 × 5/56 × 5 = 315/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   25/20 = 25 × 14/20 × 14 = 350/280
4. Add the two like fractions:
   315/280 + 350/280 = 315 + 350/280 = 665/280
5. 665/280 simplified gives 19/8
6. So, 63/56 + 25/20 = 19/8
   In mixed form: 23/8

MathStep (Works offline)

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

Related: ⁶³/₅₆+⁵⁰/₂₀ ⁶³/₅₆+²⁵/₄₀ ⁶³/₅₆+⁷⁵/₂₀ ⁶³/₅₆+²⁵/₆₀

Add Fractions Calculator