Add 3/15 and 1/12
3/15 + 1/12 is 17/60.
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,
3/15 = 3 × 4/15 × 4 = 12/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
1/12 = 1 × 5/12 × 5 = 5/60 - Add the two like fractions:
12/60 + 5/60 = 12 + 5/60 = 17/60 - So, 3/15 + 1/12 = 17/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+1/12 3/15+2/12 3/30+1/12 3/15+1/24 9/15+1/12 3/15+3/12 3/45+1/12 3/15+1/36 3/15+5/12 3/75+1/12 3/15+1/60 21/15+1/12 3/15+7/12 3/15+1/84