Add 28/15 and 63/10
1st number: 1 13/15, 2nd number: 6 3/10
28/15 + 63/10 is 49/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
28/15 = 28 × 2/15 × 2 = 56/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
63/10 = 63 × 3/10 × 3 = 189/30 - Add the two like fractions:
56/30 + 189/30 = 56 + 189/30 = 245/30 - 245/30 simplified gives 49/6
- So, 28/15 + 63/10 = 49/6
In mixed form: 81/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+63/10 28/30+63/10 28/15+63/20 84/15+63/10 28/45+63/10 28/15+63/30 28/75+63/10 28/15+63/50 28/15+63/70