Answers

Add 50/21 and 60/54

1^st number: 2 8/21, 2^nd number: 1 6/54

50/21 + 60/54 is 220/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 21 × 18 = 378,
   50/21 = 50 × 18/21 × 18 = 900/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   60/54 = 60 × 7/54 × 7 = 420/378
4. Add the two like fractions:
   900/378 + 420/378 = 900 + 420/378 = 1320/378
5. 1320/378 simplified gives 220/63
6. So, 50/21 + 60/54 = 220/63
   In mixed form: 331/63

MathStep (Works offline)

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

Related: ⁵⁰/₄₂+⁶⁰/₅₄ ⁵⁰/₆₃+⁶⁰/₅₄

Add Fractions Calculator