Add 3/7 and 15/10
1st number: 3/7, 2nd number: 1 5/10
3/7 + 15/10 is 27/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
3/7 = 3 × 10/7 × 10 = 30/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
15/10 = 15 × 7/10 × 7 = 105/70 - Add the two like fractions:
30/70 + 105/70 = 30 + 105/70 = 135/70 - 135/70 simplified gives 27/14
- So, 3/7 + 15/10 = 27/14
In mixed form: 113/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+15/10 3/7+30/10 3/14+15/10 3/7+15/20 9/7+15/10 3/7+45/10 3/21+15/10 3/7+15/30 15/7+15/10 3/7+75/10 3/35+15/10 3/7+15/50 21/7+15/10 3/49+15/10 3/7+15/70