Add 27/15 and 6/12
1st number: 1 12/15, 2nd number: 6/12
27/15 + 6/12 is 23/10.
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,
27/15 = 27 × 4/15 × 4 = 108/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
6/12 = 6 × 5/12 × 5 = 30/60 - Add the two like fractions:
108/60 + 30/60 = 108 + 30/60 = 138/60 - 138/60 simplified gives 23/10
- So, 27/15 + 6/12 = 23/10
In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+6/12 27/30+6/12 27/15+6/24 81/15+6/12 27/15+18/12 27/45+6/12 27/15+6/36 27/15+30/12 27/75+6/12 27/15+6/60 27/15+42/12 27/15+6/84