Add 7/15 and 35/28
1st number: 7/15, 2nd number: 1 7/28
7/15 + 35/28 is 103/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
7/15 = 7 × 28/15 × 28 = 196/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
35/28 = 35 × 15/28 × 15 = 525/420 - Add the two like fractions:
196/420 + 525/420 = 196 + 525/420 = 721/420 - 721/420 simplified gives 103/60
- So, 7/15 + 35/28 = 103/60
In mixed form: 143/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+35/28 7/15+70/28 7/30+35/28 7/15+35/56 21/15+35/28 7/45+35/28 7/15+35/84 35/15+35/28 7/75+35/28 49/15+35/28