Answers

Add 80/63 and 20/36

1^st number: 1 17/63, 2^nd number: 20/36

80/63 + 20/36 is 115/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   80/63 = 80 × 4/63 × 4 = 320/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   20/36 = 20 × 7/36 × 7 = 140/252
4. Add the two like fractions:
   320/252 + 140/252 = 320 + 140/252 = 460/252
5. 460/252 simplified gives 115/63
6. So, 80/63 + 20/36 = 115/63
   In mixed form: 152/63

MathStep (Works offline)

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

Related: ⁸⁰/₆₃+⁴⁰/₃₆ ⁸⁰/₆₃+²⁰/₇₂ ⁸⁰/₆₃+⁶⁰/₃₆

Add Fractions Calculator