Answers

Add 90/28 and 48/63

1^st number: 3 6/28, 2^nd number: 48/63

90/28 + 48/63 is 167/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 28 × 9 = 252,
   90/28 = 90 × 9/28 × 9 = 810/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   48/63 = 48 × 4/63 × 4 = 192/252
4. Add the two like fractions:
   810/252 + 192/252 = 810 + 192/252 = 1002/252
5. 1002/252 simplified gives 167/42
6. So, 90/28 + 48/63 = 167/42
   In mixed form: 341/42

MathStep (Works offline)

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

Related: ⁹⁰/₂₈+⁹⁶/₆₃ ⁹⁰/₅₆+⁴⁸/₆₃ ⁹⁰/₈₄+⁴⁸/₆₃

Add Fractions Calculator