Add 18/60 and 42/27
1st number: 18/60, 2nd number: 1 15/27
18/60 + 42/27 is 167/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
18/60 = 18 × 9/60 × 9 = 162/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
42/27 = 42 × 20/27 × 20 = 840/540 - Add the two like fractions:
162/540 + 840/540 = 162 + 840/540 = 1002/540 - 1002/540 simplified gives 167/90
- So, 18/60 + 42/27 = 167/90
In mixed form: 177/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+42/27 18/60+84/27 18/60+42/54 54/60+42/27 18/60+42/81 90/60+42/27