Add 20/3 and 30/20
1st number: 6 2/3, 2nd number: 1 10/20
20/3 + 30/20 is 49/6.
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,
30/20 = 30 × 3/20 × 3 = 90/60 - Add the two like fractions:
400/60 + 90/60 = 400 + 90/60 = 490/60 - 490/60 simplified gives 49/6
- So, 20/3 + 30/20 = 49/6
In mixed form: 81/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3+30/20 20/3+60/20 20/6+30/20 20/3+30/40 60/3+30/20 20/3+90/20 20/9+30/20 20/3+30/60 20/15+30/20 20/21+30/20