Add 4/15 and 7/30
4/15 + 7/30 is 1/2.
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,
4/15 = 4 × 2/15 × 2 = 8/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
7/30 = 7 × 1/30 × 1 = 7/30 - Add the two like fractions:
8/30 + 7/30 = 8 + 7/30 = 15/30 - 15/30 simplified gives 1/2
- So, 4/15 + 7/30 = 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+7/30 4/15+14/30 4/30+7/30 4/15+7/60 12/15+7/30 4/15+21/30 4/45+7/30 4/15+7/90 20/15+7/30 4/15+35/30 4/75+7/30 28/15+7/30 4/15+49/30