Answers

Add 72/63 and 35/84

1^st number: 1 9/63, 2^nd number: 35/84

72/63 + 35/84 is 131/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   72/63 = 72 × 4/63 × 4 = 288/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   35/84 = 35 × 3/84 × 3 = 105/252
4. Add the two like fractions:
   288/252 + 105/252 = 288 + 105/252 = 393/252
5. 393/252 simplified gives 131/84
6. So, 72/63 + 35/84 = 131/84
   In mixed form: 147/84

MathStep (Works offline)

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

Related: ⁷²/₆₃+⁷⁰/₈₄

Add Fractions Calculator