Add 5/15 and 1/12
5/15 + 1/12 is 5/12.
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,
5/15 = 5 × 4/15 × 4 = 20/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
1/12 = 1 × 5/12 × 5 = 5/60 - Add the two like fractions:
20/60 + 5/60 = 20 + 5/60 = 25/60 - 25/60 simplified gives 5/12
- So, 5/15 + 1/12 = 5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15+1/12 5/15+2/12 5/30+1/12 5/15+1/24 5/15+3/12 5/45+1/12 5/15+1/36 25/15+1/12 5/15+5/12 5/75+1/12 5/15+1/60 35/15+1/12 5/15+7/12 5/15+1/84