Add 20/27 and 2/40
20/27 + 2/40 is 427/540.
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,
20/27 = 20 × 40/27 × 40 = 800/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
2/40 = 2 × 27/40 × 27 = 54/1080 - Add the two like fractions:
800/1080 + 54/1080 = 800 + 54/1080 = 854/1080 - 854/1080 simplified gives 427/540
- So, 20/27 + 2/40 = 427/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+2/40 20/27+4/40 20/54+2/40 20/27+2/80 60/27+2/40 20/27+6/40 20/81+2/40 20/27+10/40 20/27+14/40