Add 18/27 and 40/80
18/27 + 40/80 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 27 × 80 = 2160,
18/27 = 18 × 80/27 × 80 = 1440/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
40/80 = 40 × 27/80 × 27 = 1080/2160 - Add the two like fractions:
1440/2160 + 1080/2160 = 1440 + 1080/2160 = 2520/2160 - 2520/2160 simplified gives 7/6
- So, 18/27 + 40/80 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+40/80 18/54+40/80 54/27+40/80 18/81+40/80 90/27+40/80