Answers

Add 7/63 and 8/72

7/63 + 8/72 is 2/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   7/63 = 7 × 8/63 × 8 = 56/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   8/72 = 8 × 7/72 × 7 = 56/504
4. Add the two like fractions:
   56/504 + 56/504 = 56 + 56/504 = 112/504
5. 112/504 simplified gives 2/9
6. So, 7/63 + 8/72 = 2/9

MathStep (Works offline)

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

Related: ¹⁴/₆₃+⁸/₇₂ ⁷/₆₃+¹⁶/₇₂ ²¹/₆₃+⁸/₇₂ ⁷/₆₃+²⁴/₇₂ ³⁵/₆₃+⁸/₇₂ ⁷/₆₃+⁴⁰/₇₂ ⁴⁹/₆₃+⁸/₇₂ ⁷/₆₃+⁵⁶/₇₂

Add Fractions Calculator