Add 28/15 and 63/4
1st number: 1 13/15, 2nd number: 15 3/4
28/15 + 63/4 is 1057/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
63/4 = 63 × 15/4 × 15 = 945/60 - Add the two like fractions:
112/60 + 945/60 = 112 + 945/60 = 1057/60 - So, 28/15 + 63/4 = 1057/60
In mixed form: 1737/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+63/4 28/30+63/4 28/15+63/8 84/15+63/4 28/45+63/4 28/15+63/12 28/75+63/4 28/15+63/20 28/15+63/28