Add 18/27 and 54/60
18/27 + 54/60 is 47/30.
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,
54/60 = 54 × 9/60 × 9 = 486/540 - Add the two like fractions:
360/540 + 486/540 = 360 + 486/540 = 846/540 - 846/540 simplified gives 47/30
- So, 18/27 + 54/60 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+54/60 18/54+54/60 54/27+54/60 18/81+54/60 90/27+54/60