Add 27/6 and 21/20
1st number: 4 3/6, 2nd number: 1 1/20
27/6 + 21/20 is 111/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
27/6 = 27 × 10/6 × 10 = 270/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
21/20 = 21 × 3/20 × 3 = 63/60 - Add the two like fractions:
270/60 + 63/60 = 270 + 63/60 = 333/60 - 333/60 simplified gives 111/20
- So, 27/6 + 21/20 = 111/20
In mixed form: 511/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6+21/20 27/6+42/20 27/12+21/20 27/6+21/40 81/6+21/20 27/6+63/20 27/18+21/20 27/6+21/60 27/30+21/20 27/42+21/20