Answers

Add 70/98 and 28/12

1^st number: 70/98, 2^nd number: 2 4/12

70/98 + 28/12 is 64/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 12 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 98 × 6 = 588,
   70/98 = 70 × 6/98 × 6 = 420/588
3. Likewise, for the 2nd fraction, since 12 × 49 = 588,
   28/12 = 28 × 49/12 × 49 = 1372/588
4. Add the two like fractions:
   420/588 + 1372/588 = 420 + 1372/588 = 1792/588
5. 1792/588 simplified gives 64/21
6. So, 70/98 + 28/12 = 64/21
   In mixed form: 31/21

MathStep (Works offline)

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

Related: ⁷⁰/₉₈+⁵⁶/₁₂ ⁷⁰/₉₈+²⁸/₂₄ ⁷⁰/₉₈+⁸⁴/₁₂ ⁷⁰/₉₈+²⁸/₃₆ ⁷⁰/₉₈+²⁸/₆₀ ⁷⁰/₉₈+²⁸/₈₄

Add Fractions Calculator