Add 30/15 and 7/30
1st number: 2 0/15, 2nd number: 7/30
30/15 + 7/30 is 67/30.
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,
30/15 = 30 × 2/15 × 2 = 60/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
7/30 = 7 × 1/30 × 1 = 7/30 - Add the two like fractions:
60/30 + 7/30 = 60 + 7/30 = 67/30 - So, 30/15 + 7/30 = 67/30
In mixed form: 27/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+7/30 30/15+14/30 30/15+7/60 90/15+7/30 30/15+21/30 30/45+7/30 30/15+7/90 30/15+35/30 30/75+7/30 30/15+49/30