Add 54/15 and 27/60
1st number: 3 9/15, 2nd number: 27/60
54/15 + 27/60 is 81/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
54/15 = 54 × 4/15 × 4 = 216/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
27/60 = 27 × 1/60 × 1 = 27/60 - Add the two like fractions:
216/60 + 27/60 = 216 + 27/60 = 243/60 - 243/60 simplified gives 81/20
- So, 54/15 + 27/60 = 81/20
In mixed form: 41/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+54/60 54/30+27/60 54/15+81/60 54/45+27/60 54/75+27/60