Add 9/12 and 7/15
9/12 + 7/15 is 73/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Add the two like fractions:
45/60 + 28/60 = 45 + 28/60 = 73/60 - So, 9/12 + 7/15 = 73/60
In mixed form: 113/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+7/15 9/12+14/15 9/24+7/15 9/12+7/30 27/12+7/15 9/12+21/15 9/36+7/15 9/12+7/45 45/12+7/15 9/12+35/15 9/60+7/15 9/12+7/75 63/12+7/15 9/12+49/15 9/84+7/15