Add 8/28 and 7/35
8/28 + 7/35 is 17/35.
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,
8/28 = 8 × 5/28 × 5 = 40/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
7/35 = 7 × 4/35 × 4 = 28/140 - Add the two like fractions:
40/140 + 28/140 = 40 + 28/140 = 68/140 - 68/140 simplified gives 17/35
- So, 8/28 + 7/35 = 17/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28+7/35 8/28+14/35 8/56+7/35 8/28+7/70 24/28+7/35 8/28+21/35 8/84+7/35 40/28+7/35 56/28+7/35 8/28+49/35