Add 2/20 and 7/15
2/20 + 7/15 is 17/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
2/20 = 2 × 3/20 × 3 = 6/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Add the two like fractions:
6/60 + 28/60 = 6 + 28/60 = 34/60 - 34/60 simplified gives 17/30
- So, 2/20 + 7/15 = 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+7/15 2/20+14/15 2/40+7/15 2/20+7/30 6/20+7/15 2/20+21/15 2/60+7/15 2/20+7/45 10/20+7/15 2/20+35/15 2/20+7/75 14/20+7/15 2/20+49/15