Answers

Add 24/36 and 70/21

1^st number: 24/36, 2^nd number: 3 7/21

24/36 + 70/21 is 4/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 21 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 36 × 7 = 252,
   24/36 = 24 × 7/36 × 7 = 168/252
3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
   70/21 = 70 × 12/21 × 12 = 840/252
4. Add the two like fractions:
   168/252 + 840/252 = 168 + 840/252 = 1008/252
5. 1008/252 simplified gives 4/1
6. So, 24/36 + 70/21 = 4/1

MathStep (Works offline)

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

Related: ⁴⁸/₃₆+⁷⁰/₂₁ ²⁴/₇₂+⁷⁰/₂₁ ²⁴/₃₆+⁷⁰/₄₂ ⁷²/₃₆+⁷⁰/₂₁ ²⁴/₃₆+⁷⁰/₆₃

Add Fractions Calculator