Add 18/40 and 15/27
18/40 + 15/27 is 181/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
18/40 = 18 × 27/40 × 27 = 486/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
15/27 = 15 × 40/27 × 40 = 600/1080 - Add the two like fractions:
486/1080 + 600/1080 = 486 + 600/1080 = 1086/1080 - 1086/1080 simplified gives 181/180
- So, 18/40 + 15/27 = 181/180
In mixed form: 11/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+15/27 18/40+30/27 18/80+15/27 18/40+15/54 54/40+15/27 18/40+45/27 18/40+15/81 90/40+15/27 18/40+75/27