Add 1/20 and 21/6
1st number: 1/20, 2nd number: 3 3/6
1/20 + 21/6 is 71/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
1/20 = 1 × 3/20 × 3 = 3/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
21/6 = 21 × 10/6 × 10 = 210/60 - Add the two like fractions:
3/60 + 210/60 = 3 + 210/60 = 213/60 - 213/60 simplified gives 71/20
- So, 1/20 + 21/6 = 71/20
In mixed form: 311/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+21/6 1/20+42/6 1/40+21/6 1/20+21/12 3/20+21/6 1/20+63/6 1/60+21/6 1/20+21/18 5/20+21/6 1/20+21/30 7/20+21/6 1/20+21/42