Add 5/27 and 18/40
5/27 + 18/40 is 343/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
5/27 = 5 × 40/27 × 40 = 200/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
18/40 = 18 × 27/40 × 27 = 486/1080 - Add the two like fractions:
200/1080 + 486/1080 = 200 + 486/1080 = 686/1080 - 686/1080 simplified gives 343/540
- So, 5/27 + 18/40 = 343/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/27+18/40 5/27+36/40 5/54+18/40 5/27+18/80 15/27+18/40 5/27+54/40 5/81+18/40 25/27+18/40 5/27+90/40 35/27+18/40