Add 18/9 and 7/15
1st number: 2 0/9, 2nd number: 7/15
18/9 + 7/15 is 37/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
18/9 = 18 × 5/9 × 5 = 90/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
7/15 = 7 × 3/15 × 3 = 21/45 - Add the two like fractions:
90/45 + 21/45 = 90 + 21/45 = 111/45 - 111/45 simplified gives 37/15
- So, 18/9 + 7/15 = 37/15
In mixed form: 27/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+7/15 18/9+14/15 18/9+7/30 54/9+7/15 18/9+21/15 18/27+7/15 18/9+7/45 90/9+7/15 18/9+35/15 18/45+7/15 18/9+7/75 18/9+49/15 18/63+7/15