Add 27/15 and 60/18
1st number: 1 12/15, 2nd number: 3 6/18
27/15 + 60/18 is 77/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
27/15 = 27 × 6/15 × 6 = 162/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
60/18 = 60 × 5/18 × 5 = 300/90 - Add the two like fractions:
162/90 + 300/90 = 162 + 300/90 = 462/90 - 462/90 simplified gives 77/15
- So, 27/15 + 60/18 = 77/15
In mixed form: 52/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+60/18 27/30+60/18 27/15+60/36 81/15+60/18 27/45+60/18 27/15+60/54 27/75+60/18 27/15+60/90