Answers

Add 35/84 and 28/72

35/84 + 28/72 is 29/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 84 × 6 = 504,
   35/84 = 35 × 6/84 × 6 = 210/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   28/72 = 28 × 7/72 × 7 = 196/504
4. Add the two like fractions:
   210/504 + 196/504 = 210 + 196/504 = 406/504
5. 406/504 simplified gives 29/36
6. So, 35/84 + 28/72 = 29/36

MathStep (Works offline)

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

Related: ⁷⁰/₈₄+²⁸/₇₂ ³⁵/₈₄+⁵⁶/₇₂ ³⁵/₈₄+⁸⁴/₇₂

Add Fractions Calculator