Add 10/28 and 15/10
1st number: 10/28, 2nd number: 1 5/10
10/28 + 15/10 is 13/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
10/28 = 10 × 5/28 × 5 = 50/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
15/10 = 15 × 14/10 × 14 = 210/140 - Add the two like fractions:
50/140 + 210/140 = 50 + 210/140 = 260/140 - 260/140 simplified gives 13/7
- So, 10/28 + 15/10 = 13/7
In mixed form: 16/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+15/10 10/28+30/10 10/56+15/10 10/28+15/20 30/28+15/10 10/28+45/10 10/84+15/10 10/28+15/30 50/28+15/10 10/28+75/10 10/28+15/50 70/28+15/10 10/28+15/70