Answers

Add 56/63 and 15/24

56/63 + 15/24 is 109/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 24 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   56/63 = 56 × 8/63 × 8 = 448/504
3. Likewise, for the 2nd fraction, since 24 × 21 = 504,
   15/24 = 15 × 21/24 × 21 = 315/504
4. Add the two like fractions:
   448/504 + 315/504 = 448 + 315/504 = 763/504
5. 763/504 simplified gives 109/72
6. So, 56/63 + 15/24 = 109/72
   In mixed form: 137/72

MathStep (Works offline)

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

Related: ⁵⁶/₆₃+³⁰/₂₄ ⁵⁶/₆₃+¹⁵/₄₈ ⁵⁶/₆₃+⁴⁵/₂₄ ⁵⁶/₆₃+¹⁵/₇₂ ⁵⁶/₆₃+⁷⁵/₂₄

Add Fractions Calculator