Add 8/42 and 40/3
1st number: 8/42, 2nd number: 13 1/3
8/42 + 40/3 is 284/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
8/42 = 8 × 1/42 × 1 = 8/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
40/3 = 40 × 14/3 × 14 = 560/42 - Add the two like fractions:
8/42 + 560/42 = 8 + 560/42 = 568/42 - 568/42 simplified gives 284/21
- So, 8/42 + 40/3 = 284/21
In mixed form: 1311/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+40/3 8/42+80/3 8/84+40/3 8/42+40/6 24/42+40/3 8/42+40/9 40/42+40/3 8/42+40/15 56/42+40/3 8/42+40/21