Answers

Add 30/63 and 28/54

30/63 + 28/54 is 188/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 63 × 6 = 378,
   30/63 = 30 × 6/63 × 6 = 180/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   28/54 = 28 × 7/54 × 7 = 196/378
4. Add the two like fractions:
   180/378 + 196/378 = 180 + 196/378 = 376/378
5. 376/378 simplified gives 188/189
6. So, 30/63 + 28/54 = 188/189

MathStep (Works offline)

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

Related: ⁶⁰/₆₃+²⁸/₅₄ ³⁰/₆₃+⁵⁶/₅₄ ⁹⁰/₆₃+²⁸/₅₄ ³⁰/₆₃+⁸⁴/₅₄

Add Fractions Calculator