Add 3/15 and 15/10
1st number: 3/15, 2nd number: 1 5/10
3/15 + 15/10 is 17/10.
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,
3/15 = 3 × 2/15 × 2 = 6/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
15/10 = 15 × 3/10 × 3 = 45/30 - Add the two like fractions:
6/30 + 45/30 = 6 + 45/30 = 51/30 - 51/30 simplified gives 17/10
- So, 3/15 + 15/10 = 17/10
In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+15/10 3/15+30/10 3/30+15/10 3/15+15/20 9/15+15/10 3/15+45/10 3/45+15/10 3/15+15/30 3/15+75/10 3/75+15/10 3/15+15/50 21/15+15/10 3/15+15/70