Add 45/60 and 54/27
1st number: 45/60, 2nd number: 2 0/27
45/60 + 54/27 is 11/4.
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,
45/60 = 45 × 9/60 × 9 = 405/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
54/27 = 54 × 20/27 × 20 = 1080/540 - Add the two like fractions:
405/540 + 1080/540 = 405 + 1080/540 = 1485/540 - 1485/540 simplified gives 11/4
- So, 45/60 + 54/27 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+54/27 45/60+54/81