Answers

Add 18/63 and 30/64

18/63 + 30/64 is 169/224.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 64 is 4032
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4032
2. For the 1st fraction, since 63 × 64 = 4032,
   18/63 = 18 × 64/63 × 64 = 1152/4032
3. Likewise, for the 2nd fraction, since 64 × 63 = 4032,
   30/64 = 30 × 63/64 × 63 = 1890/4032
4. Add the two like fractions:
   1152/4032 + 1890/4032 = 1152 + 1890/4032 = 3042/4032
5. 3042/4032 simplified gives 169/224
6. So, 18/63 + 30/64 = 169/224

MathStep (Works offline)

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

Related: ³⁶/₆₃+³⁰/₆₄ ¹⁸/₆₃+⁶⁰/₆₄ ⁵⁴/₆₃+³⁰/₆₄ ¹⁸/₆₃+⁹⁰/₆₄ ⁹⁰/₆₃+³⁰/₆₄

Add Fractions Calculator