Add 54/18 and 27/60
1st number: 3 0/18, 2nd number: 27/60
54/18 + 27/60 is 69/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
54/18 = 54 × 10/18 × 10 = 540/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
27/60 = 27 × 3/60 × 3 = 81/180 - Add the two like fractions:
540/180 + 81/180 = 540 + 81/180 = 621/180 - 621/180 simplified gives 69/20
- So, 54/18 + 27/60 = 69/20
In mixed form: 39/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+54/60 54/36+27/60 54/18+81/60 54/90+27/60