Answers

Add 21/63 and 30/24

1^st number: 21/63, 2^nd number: 1 6/24

21/63 + 30/24 is 19/12.

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,
   21/63 = 21 × 8/63 × 8 = 168/504
3. Likewise, for the 2nd fraction, since 24 × 21 = 504,
   30/24 = 30 × 21/24 × 21 = 630/504
4. Add the two like fractions:
   168/504 + 630/504 = 168 + 630/504 = 798/504
5. 798/504 simplified gives 19/12
6. So, 21/63 + 30/24 = 19/12
   In mixed form: 17/12

MathStep (Works offline)

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

Related: ⁴²/₆₃+³⁰/₂₄ ²¹/₆₃+⁶⁰/₂₄ ²¹/₆₃+³⁰/₄₈ ²¹/₆₃+⁹⁰/₂₄ ²¹/₆₃+³⁰/₇₂

Add Fractions Calculator