Add 54/60 and 27/18
1st number: 54/60, 2nd number: 1 9/18
54/60 + 27/18 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
54/60 = 54 × 3/60 × 3 = 162/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
27/18 = 27 × 10/18 × 10 = 270/180 - Add the two like fractions:
162/180 + 270/180 = 162 + 270/180 = 432/180 - 432/180 simplified gives 12/5
- So, 54/60 + 27/18 = 12/5
In mixed form: 22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+54/18 54/60+27/36 54/60+81/18 54/60+27/54 54/60+27/90