Add 15/10 and 56/15
1st number: 1 5/10, 2nd number: 3 11/15
15/10 + 56/15 is 157/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
15/10 = 15 × 3/10 × 3 = 45/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
56/15 = 56 × 2/15 × 2 = 112/30 - Add the two like fractions:
45/30 + 112/30 = 45 + 112/30 = 157/30 - So, 15/10 + 56/15 = 157/30
In mixed form: 57/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+56/15 15/20+56/15 15/10+56/30 45/10+56/15 15/30+56/15 15/10+56/45 75/10+56/15 15/50+56/15 15/10+56/75 15/70+56/15