Add 42/15 and 6/12
1st number: 2 12/15, 2nd number: 6/12
42/15 + 6/12 is 33/10.
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,
42/15 = 42 × 4/15 × 4 = 168/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
6/12 = 6 × 5/12 × 5 = 30/60 - Add the two like fractions:
168/60 + 30/60 = 168 + 30/60 = 198/60 - 198/60 simplified gives 33/10
- So, 42/15 + 6/12 = 33/10
In mixed form: 33/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+6/12 42/30+6/12 42/15+6/24 42/15+18/12 42/45+6/12 42/15+6/36 42/15+30/12 42/75+6/12 42/15+6/60 42/15+42/12 42/15+6/84