Add 20/3 and 3/40
1st number: 6 2/3, 2nd number: 3/40
20/3 + 3/40 is 809/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
20/3 = 20 × 40/3 × 40 = 800/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
3/40 = 3 × 3/40 × 3 = 9/120 - Add the two like fractions:
800/120 + 9/120 = 800 + 9/120 = 809/120 - So, 20/3 + 3/40 = 809/120
In mixed form: 689/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3+3/40 20/3+6/40 20/6+3/40 20/3+3/80 60/3+3/40 20/3+9/40 20/9+3/40 20/3+15/40 20/15+3/40 20/3+21/40 20/21+3/40