Add 8/12 and 7/15
8/12 + 7/15 is 17/15.
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,
8/12 = 8 × 5/12 × 5 = 40/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Add the two like fractions:
40/60 + 28/60 = 40 + 28/60 = 68/60 - 68/60 simplified gives 17/15
- So, 8/12 + 7/15 = 17/15
In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12+7/15 8/12+14/15 8/24+7/15 8/12+7/30 24/12+7/15 8/12+21/15 8/36+7/15 8/12+7/45 40/12+7/15 8/12+35/15 8/60+7/15 8/12+7/75 56/12+7/15 8/12+49/15 8/84+7/15