Answers

Add 16/84 and 54/72

16/84 + 54/72 is 79/84.

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,
   16/84 = 16 × 6/84 × 6 = 96/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   54/72 = 54 × 7/72 × 7 = 378/504
4. Add the two like fractions:
   96/504 + 378/504 = 96 + 378/504 = 474/504
5. 474/504 simplified gives 79/84
6. So, 16/84 + 54/72 = 79/84

MathStep (Works offline)

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

Related: ³²/₈₄+⁵⁴/₇₂ ⁴⁸/₈₄+⁵⁴/₇₂ ⁸⁰/₈₄+⁵⁴/₇₂

Add Fractions Calculator