Answers

Add 60/63 and 90/20

1^st number: 60/63, 2^nd number: 4 10/20

60/63 + 90/20 is 229/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 20 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   60/63 = 60 × 20/63 × 20 = 1200/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   90/20 = 90 × 63/20 × 63 = 5670/1260
4. Add the two like fractions:
   1200/1260 + 5670/1260 = 1200 + 5670/1260 = 6870/1260
5. 6870/1260 simplified gives 229/42
6. So, 60/63 + 90/20 = 229/42
   In mixed form: 519/42

MathStep (Works offline)

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

Related: ⁶⁰/₆₃+⁹⁰/₄₀ ⁶⁰/₆₃+⁹⁰/₆₀

Add Fractions Calculator