Answers

Add 4/84 and 70/49

1^st number: 4/84, 2^nd number: 1 21/49

4/84 + 70/49 is 31/21.

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,
   4/84 = 4 × 7/84 × 7 = 28/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   70/49 = 70 × 12/49 × 12 = 840/588
4. Add the two like fractions:
   28/588 + 840/588 = 28 + 840/588 = 868/588
5. 868/588 simplified gives 31/21
6. So, 4/84 + 70/49 = 31/21
   In mixed form: 110/21

MathStep (Works offline)

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

Related: ⁸/₈₄+⁷⁰/₄₉ ⁴/₈₄+⁷⁰/₉₈ ¹²/₈₄+⁷⁰/₄₉ ²⁰/₈₄+⁷⁰/₄₉ ²⁸/₈₄+⁷⁰/₄₉

Add Fractions Calculator