Add 10/28 and 7/35
10/28 + 7/35 is 39/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 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 35 × 4 = 140,
7/35 = 7 × 4/35 × 4 = 28/140 - Add the two like fractions:
50/140 + 28/140 = 50 + 28/140 = 78/140 - 78/140 simplified gives 39/70
- So, 10/28 + 7/35 = 39/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+7/35 10/28+14/35 10/56+7/35 10/28+7/70 30/28+7/35 10/28+21/35 10/84+7/35 50/28+7/35 70/28+7/35 10/28+49/35