Add 4/15 and 18/12
1st number: 4/15, 2nd number: 1 6/12
4/15 + 18/12 is 53/30.
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,
4/15 = 4 × 4/15 × 4 = 16/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Add the two like fractions:
16/60 + 90/60 = 16 + 90/60 = 106/60 - 106/60 simplified gives 53/30
- So, 4/15 + 18/12 = 53/30
In mixed form: 123/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+18/12 4/15+36/12 4/30+18/12 4/15+18/24 12/15+18/12 4/15+54/12 4/45+18/12 4/15+18/36 20/15+18/12 4/15+90/12 4/75+18/12 4/15+18/60 28/15+18/12 4/15+18/84