Answers

Add 54/56 and 25/20

1^st number: 54/56, 2^nd number: 1 5/20

54/56 + 25/20 is 31/14.

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,
   54/56 = 54 × 5/56 × 5 = 270/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   25/20 = 25 × 14/20 × 14 = 350/280
4. Add the two like fractions:
   270/280 + 350/280 = 270 + 350/280 = 620/280
5. 620/280 simplified gives 31/14
6. So, 54/56 + 25/20 = 31/14
   In mixed form: 23/14

MathStep (Works offline)

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

Related: ⁵⁴/₅₆+⁵⁰/₂₀ ⁵⁴/₅₆+²⁵/₄₀ ⁵⁴/₅₆+⁷⁵/₂₀ ⁵⁴/₅₆+²⁵/₆₀

Add Fractions Calculator