Add 18/27 and 3/40
18/27 + 3/40 is 89/120.
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,
18/27 = 18 × 40/27 × 40 = 720/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
3/40 = 3 × 27/40 × 27 = 81/1080 - Add the two like fractions:
720/1080 + 81/1080 = 720 + 81/1080 = 801/1080 - 801/1080 simplified gives 89/120
- So, 18/27 + 3/40 = 89/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+3/40 18/27+6/40 18/54+3/40 18/27+3/80 54/27+3/40 18/27+9/40 18/81+3/40 90/27+3/40 18/27+15/40 18/27+21/40