Add 20/3 and 6/42
1st number: 6 2/3, 2nd number: 6/42
20/3 + 6/42 is 143/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
20/3 = 20 × 14/3 × 14 = 280/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
6/42 = 6 × 1/42 × 1 = 6/42 - Add the two like fractions:
280/42 + 6/42 = 280 + 6/42 = 286/42 - 286/42 simplified gives 143/21
- So, 20/3 + 6/42 = 143/21
In mixed form: 617/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3+6/42 20/3+12/42 20/6+6/42 20/3+6/84 60/3+6/42 20/3+18/42 20/9+6/42 20/3+30/42 20/15+6/42 20/21+6/42