Add 7/28 and 9/70
7/28 + 9/70 is 53/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 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 70 × 2 = 140,
9/70 = 9 × 2/70 × 2 = 18/140 - Add the two like fractions:
35/140 + 18/140 = 35 + 18/140 = 53/140 - So, 7/28 + 9/70 = 53/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+9/70 7/28+18/70 7/56+9/70 21/28+9/70 7/28+27/70 7/84+9/70 35/28+9/70 7/28+45/70 49/28+9/70 7/28+63/70