Add 27/18 and 63/60
1st number: 1 9/18, 2nd number: 1 3/60
27/18 + 63/60 is 51/20.
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,
27/18 = 27 × 10/18 × 10 = 270/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
63/60 = 63 × 3/60 × 3 = 189/180 - Add the two like fractions:
270/180 + 189/180 = 270 + 189/180 = 459/180 - 459/180 simplified gives 51/20
- So, 27/18 + 63/60 = 51/20
In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+63/60 27/36+63/60 81/18+63/60 27/54+63/60 27/90+63/60