Add 40/6 and 21/20
1st number: 6 4/6, 2nd number: 1 1/20
40/6 + 21/20 is 463/60.
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,
40/6 = 40 × 10/6 × 10 = 400/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
21/20 = 21 × 3/20 × 3 = 63/60 - Add the two like fractions:
400/60 + 63/60 = 400 + 63/60 = 463/60 - So, 40/6 + 21/20 = 463/60
In mixed form: 743/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6+21/20 40/6+42/20 40/12+21/20 40/6+21/40 40/6+63/20 40/18+21/20 40/6+21/60 40/30+21/20 40/42+21/20