Add 2/42 and 40/18
1st number: 2/42, 2nd number: 2 4/18
2/42 + 40/18 is 143/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
2/42 = 2 × 3/42 × 3 = 6/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
40/18 = 40 × 7/18 × 7 = 280/126 - Add the two like fractions:
6/126 + 280/126 = 6 + 280/126 = 286/126 - 286/126 simplified gives 143/63
- So, 2/42 + 40/18 = 143/63
In mixed form: 217/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42+40/18 2/42+80/18 2/84+40/18 2/42+40/36 6/42+40/18 2/42+40/54 10/42+40/18 2/42+40/90 14/42+40/18