Answers

Add 28/63 and 60/45

1^st number: 28/63, 2^nd number: 1 15/45

28/63 + 60/45 is 16/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   28/63 = 28 × 5/63 × 5 = 140/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   60/45 = 60 × 7/45 × 7 = 420/315
4. Add the two like fractions:
   140/315 + 420/315 = 140 + 420/315 = 560/315
5. 560/315 simplified gives 16/9
6. So, 28/63 + 60/45 = 16/9
   In mixed form: 17/9

MathStep (Works offline)

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

Related: ⁵⁶/₆₃+⁶⁰/₄₅ ²⁸/₆₃+⁶⁰/₉₀ ⁸⁴/₆₃+⁶⁰/₄₅

Add Fractions Calculator