Add 20/3 and 5/20
1st number: 6 2/3, 2nd number: 5/20
20/3 + 5/20 is 83/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
20/3 = 20 × 20/3 × 20 = 400/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
5/20 = 5 × 3/20 × 3 = 15/60 - Add the two like fractions:
400/60 + 15/60 = 400 + 15/60 = 415/60 - 415/60 simplified gives 83/12
- So, 20/3 + 5/20 = 83/12
In mixed form: 611/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3+5/20 20/3+10/20 20/6+5/20 20/3+5/40 60/3+5/20 20/3+15/20 20/9+5/20 20/3+5/60 20/3+25/20 20/15+5/20 20/3+35/20 20/21+5/20