Add 60/15 and 18/12
1st number: 4 0/15, 2nd number: 1 6/12
60/15 + 18/12 is 11/2.
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,
60/15 = 60 × 4/15 × 4 = 240/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Add the two like fractions:
240/60 + 90/60 = 240 + 90/60 = 330/60 - 330/60 simplified gives 11/2
- So, 60/15 + 18/12 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+36/12 60/30+18/12 60/15+18/24 60/15+54/12 60/45+18/12 60/15+18/36 60/15+90/12 60/75+18/12 60/15+18/60 60/15+18/84