Add 18/27 and 12/60
18/27 + 12/60 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 60 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 60 × 9 = 540,
12/60 = 12 × 9/60 × 9 = 108/540 - Add the two like fractions:
360/540 + 108/540 = 360 + 108/540 = 468/540 - 468/540 simplified gives 13/15
- So, 18/27 + 12/60 = 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+12/60 18/27+24/60 18/54+12/60 54/27+12/60 18/27+36/60 18/81+12/60 90/27+12/60 18/27+84/60