Add 5/28 and 7/20
5/28 + 7/20 is 37/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
5/28 = 5 × 5/28 × 5 = 25/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
7/20 = 7 × 7/20 × 7 = 49/140 - Add the two like fractions:
25/140 + 49/140 = 25 + 49/140 = 74/140 - 74/140 simplified gives 37/70
- So, 5/28 + 7/20 = 37/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/28+7/20 5/28+14/20 5/56+7/20 5/28+7/40 15/28+7/20 5/28+21/20 5/84+7/20 5/28+7/60 25/28+7/20 5/28+35/20 35/28+7/20 5/28+49/20