Add 7/28 and 3/35
7/28 + 3/35 is 47/140.
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,
7/28 = 7 × 5/28 × 5 = 35/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
3/35 = 3 × 4/35 × 4 = 12/140 - Add the two like fractions:
35/140 + 12/140 = 35 + 12/140 = 47/140 - So, 7/28 + 3/35 = 47/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+3/35 7/28+6/35 7/56+3/35 7/28+3/70 21/28+3/35 7/28+9/35 7/84+3/35 35/28+3/35 7/28+15/35 49/28+3/35 7/28+21/35