Add 18/27 and 3/20
18/27 + 3/20 is 49/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
18/27 = 18 × 20/27 × 20 = 360/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
3/20 = 3 × 27/20 × 27 = 81/540 - Add the two like fractions:
360/540 + 81/540 = 360 + 81/540 = 441/540 - 441/540 simplified gives 49/60
- So, 18/27 + 3/20 = 49/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+3/20 18/27+6/20 18/54+3/20 18/27+3/40 54/27+3/20 18/27+9/20 18/81+3/20 18/27+3/60 90/27+3/20 18/27+15/20 18/27+21/20