Answers

Add 27/50 and 70/21

1^st number: 27/50, 2^nd number: 3 7/21

27/50 + 70/21 is 581/150.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 21 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 50 × 21 = 1050,
   27/50 = 27 × 21/50 × 21 = 567/1050
3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
   70/21 = 70 × 50/21 × 50 = 3500/1050
4. Add the two like fractions:
   567/1050 + 3500/1050 = 567 + 3500/1050 = 4067/1050
5. 4067/1050 simplified gives 581/150
6. So, 27/50 + 70/21 = 581/150
   In mixed form: 3131/150

MathStep (Works offline)

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

Related: ⁵⁴/₅₀+⁷⁰/₂₁ ²⁷/₅₀+⁷⁰/₄₂ ⁸¹/₅₀+⁷⁰/₂₁ ²⁷/₅₀+⁷⁰/₆₃

Add Fractions Calculator