Add 1/20 and 20/3
1st number: 1/20, 2nd number: 6 2/3
1/20 + 20/3 is 403/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 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 3 × 20 = 60,
20/3 = 20 × 20/3 × 20 = 400/60 - Add the two like fractions:
3/60 + 400/60 = 3 + 400/60 = 403/60 - So, 1/20 + 20/3 = 403/60
In mixed form: 643/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+20/3 1/20+40/3 1/40+20/3 1/20+20/6 3/20+20/3 1/20+60/3 1/60+20/3 1/20+20/9 5/20+20/3 1/20+20/15 7/20+20/3 1/20+20/21