Add 8/15 and 6/12
8/15 + 6/12 is 31/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
8/15 = 8 × 4/15 × 4 = 32/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
6/12 = 6 × 5/12 × 5 = 30/60 - Add the two like fractions:
32/60 + 30/60 = 32 + 30/60 = 62/60 - 62/60 simplified gives 31/30
- So, 8/15 + 6/12 = 31/30
In mixed form: 11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+6/12 8/30+6/12 8/15+6/24 24/15+6/12 8/15+18/12 8/45+6/12 8/15+6/36 40/15+6/12 8/15+30/12 8/75+6/12 8/15+6/60 56/15+6/12 8/15+42/12 8/15+6/84