Answers

Add 70/42 and 42/49

1^st number: 1 28/42, 2^nd number: 42/49

70/42 + 42/49 is 53/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 49 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   70/42 = 70 × 7/42 × 7 = 490/294
3. Likewise, for the 2nd fraction, since 49 × 6 = 294,
   42/49 = 42 × 6/49 × 6 = 252/294
4. Add the two like fractions:
   490/294 + 252/294 = 490 + 252/294 = 742/294
5. 742/294 simplified gives 53/21
6. So, 70/42 + 42/49 = 53/21
   In mixed form: 211/21

MathStep (Works offline)

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

Related: ⁷⁰/₄₂+⁸⁴/₄₉ ⁷⁰/₈₄+⁴²/₄₉ ⁷⁰/₄₂+⁴²/₉₈

Add Fractions Calculator