Answers

Add 18/63 and 90/56

1^st number: 18/63, 2^nd number: 1 34/56

18/63 + 90/56 is 53/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   18/63 = 18 × 8/63 × 8 = 144/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   90/56 = 90 × 9/56 × 9 = 810/504
4. Add the two like fractions:
   144/504 + 810/504 = 144 + 810/504 = 954/504
5. 954/504 simplified gives 53/28
6. So, 18/63 + 90/56 = 53/28
   In mixed form: 125/28

MathStep (Works offline)

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

Related: ³⁶/₆₃+⁹⁰/₅₆ ⁵⁴/₆₃+⁹⁰/₅₆ ⁹⁰/₆₃+⁹⁰/₅₆

Add Fractions Calculator