Add 3/15 and 7/30
3/15 + 7/30 is 13/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
3/15 = 3 × 2/15 × 2 = 6/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
7/30 = 7 × 1/30 × 1 = 7/30 - Add the two like fractions:
6/30 + 7/30 = 6 + 7/30 = 13/30 - So, 3/15 + 7/30 = 13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+7/30 3/15+14/30 3/30+7/30 3/15+7/60 9/15+7/30 3/15+21/30 3/45+7/30 3/15+7/90 3/15+35/30 3/75+7/30 21/15+7/30 3/15+49/30