Answers

Add 1/84 and 70/49

1^st number: 1/84, 2^nd number: 1 21/49

1/84 + 70/49 is 121/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 49 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 84 × 7 = 588,
   1/84 = 1 × 7/84 × 7 = 7/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   70/49 = 70 × 12/49 × 12 = 840/588
4. Add the two like fractions:
   7/588 + 840/588 = 7 + 840/588 = 847/588
5. 847/588 simplified gives 121/84
6. So, 1/84 + 70/49 = 121/84
   In mixed form: 137/84

MathStep (Works offline)

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

Related: ²/₈₄+⁷⁰/₄₉ ¹/₈₄+⁷⁰/₉₈ ³/₈₄+⁷⁰/₄₉ ⁵/₈₄+⁷⁰/₄₉ ⁷/₈₄+⁷⁰/₄₉

Add Fractions Calculator