Add 20/3 and 8/42
1st number: 6 2/3, 2nd number: 8/42
20/3 + 8/42 is 48/7.
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,
8/42 = 8 × 1/42 × 1 = 8/42 - Add the two like fractions:
280/42 + 8/42 = 280 + 8/42 = 288/42 - 288/42 simplified gives 48/7
- So, 20/3 + 8/42 = 48/7
In mixed form: 66/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3+8/42 20/3+16/42 20/6+8/42 20/3+8/84 60/3+8/42 20/3+24/42 20/9+8/42 20/3+40/42 20/15+8/42 20/3+56/42 20/21+8/42