Answers

Add 15/84 and 30/49

15/84 + 30/49 is 155/196.

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,
   15/84 = 15 × 7/84 × 7 = 105/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   30/49 = 30 × 12/49 × 12 = 360/588
4. Add the two like fractions:
   105/588 + 360/588 = 105 + 360/588 = 465/588
5. 465/588 simplified gives 155/196
6. So, 15/84 + 30/49 = 155/196

MathStep (Works offline)

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

Related: ³⁰/₈₄+³⁰/₄₉ ¹⁵/₈₄+⁶⁰/₄₉ ¹⁵/₈₄+³⁰/₉₈ ⁴⁵/₈₄+³⁰/₄₉ ¹⁵/₈₄+⁹⁰/₄₉ ⁷⁵/₈₄+³⁰/₄₉

Add Fractions Calculator