Answers

Add 8/63 and 30/72

8/63 + 30/72 is 137/252.

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,
   8/63 = 8 × 8/63 × 8 = 64/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   30/72 = 30 × 7/72 × 7 = 210/504
4. Add the two like fractions:
   64/504 + 210/504 = 64 + 210/504 = 274/504
5. 274/504 simplified gives 137/252
6. So, 8/63 + 30/72 = 137/252

MathStep (Works offline)

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

Related: ¹⁶/₆₃+³⁰/₇₂ ⁸/₆₃+⁶⁰/₇₂ ²⁴/₆₃+³⁰/₇₂ ⁸/₆₃+⁹⁰/₇₂ ⁴⁰/₆₃+³⁰/₇₂ ⁵⁶/₆₃+³⁰/₇₂

Add Fractions Calculator