Add 15/10 and 2/28
1st number: 1 5/10, 2nd number: 2/28
15/10 + 2/28 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
15/10 = 15 × 14/10 × 14 = 210/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
2/28 = 2 × 5/28 × 5 = 10/140 - Add the two like fractions:
210/140 + 10/140 = 210 + 10/140 = 220/140 - 220/140 simplified gives 11/7
- So, 15/10 + 2/28 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+2/28 15/10+4/28 15/20+2/28 15/10+2/56 45/10+2/28 15/10+6/28 15/30+2/28 15/10+2/84 75/10+2/28 15/10+10/28 15/50+2/28 15/10+14/28 15/70+2/28