Answers

Add 70/36 and 50/21

1^st number: 1 34/36, 2^nd number: 2 8/21

70/36 + 50/21 is 545/126.

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,
   70/36 = 70 × 7/36 × 7 = 490/252
3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
   50/21 = 50 × 12/21 × 12 = 600/252
4. Add the two like fractions:
   490/252 + 600/252 = 490 + 600/252 = 1090/252
5. 1090/252 simplified gives 545/126
6. So, 70/36 + 50/21 = 545/126
   In mixed form: 441/126

MathStep (Works offline)

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

Related: ⁷⁰/₇₂+⁵⁰/₂₁ ⁷⁰/₃₆+⁵⁰/₄₂ ⁷⁰/₃₆+⁵⁰/₆₃

Add Fractions Calculator