Answers

Add 8/84 and 27/72

8/84 + 27/72 is 79/168.

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,
   8/84 = 8 × 6/84 × 6 = 48/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   27/72 = 27 × 7/72 × 7 = 189/504
4. Add the two like fractions:
   48/504 + 189/504 = 48 + 189/504 = 237/504
5. 237/504 simplified gives 79/168
6. So, 8/84 + 27/72 = 79/168

MathStep (Works offline)

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

Related: ¹⁶/₈₄+²⁷/₇₂ ⁸/₈₄+⁵⁴/₇₂ ²⁴/₈₄+²⁷/₇₂ ⁸/₈₄+⁸¹/₇₂ ⁴⁰/₈₄+²⁷/₇₂ ⁵⁶/₈₄+²⁷/₇₂

Add Fractions Calculator