Add 12/15 and 6/4
1st number: 12/15, 2nd number: 1 2/4
12/15 + 6/4 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
12/15 = 12 × 4/15 × 4 = 48/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
6/4 = 6 × 15/4 × 15 = 90/60 - Add the two like fractions:
48/60 + 90/60 = 48 + 90/60 = 138/60 - 138/60 simplified gives 23/10
- So, 12/15 + 6/4 = 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: 24/15+6/4 12/15+12/4 12/30+6/4 12/15+6/8 36/15+6/4 12/15+18/4 12/45+6/4 12/15+6/12 60/15+6/4 12/15+30/4 12/75+6/4 12/15+6/20 84/15+6/4 12/15+42/4 12/15+6/28