Answers

Add 84/63 and 30/24

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

84/63 + 30/24 is 31/12.

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,
   84/63 = 84 × 8/63 × 8 = 672/504
3. Likewise, for the 2nd fraction, since 24 × 21 = 504,
   30/24 = 30 × 21/24 × 21 = 630/504
4. Add the two like fractions:
   672/504 + 630/504 = 672 + 630/504 = 1302/504
5. 1302/504 simplified gives 31/12
6. So, 84/63 + 30/24 = 31/12
   In mixed form: 27/12

MathStep (Works offline)

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

Related: ⁸⁴/₆₃+⁶⁰/₂₄ ⁸⁴/₆₃+³⁰/₄₈ ⁸⁴/₆₃+⁹⁰/₂₄ ⁸⁴/₆₃+³⁰/₇₂

Add Fractions Calculator