Add 54/60 and 30/27
1st number: 54/60, 2nd number: 1 3/27
54/60 + 30/27 is 181/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
54/60 = 54 × 9/60 × 9 = 486/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
30/27 = 30 × 20/27 × 20 = 600/540 - Add the two like fractions:
486/540 + 600/540 = 486 + 600/540 = 1086/540 - 1086/540 simplified gives 181/90
- So, 54/60 + 30/27 = 181/90
In mixed form: 21/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+60/27 54/60+30/54 54/60+90/27 54/60+30/81