Add 8/42 and 3/18
8/42 + 3/18 is 5/14.
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,
8/42 = 8 × 3/42 × 3 = 24/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Add the two like fractions:
24/126 + 21/126 = 24 + 21/126 = 45/126 - 45/126 simplified gives 5/14
- So, 8/42 + 3/18 = 5/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+3/18 8/42+6/18 8/84+3/18 8/42+3/36 24/42+3/18 8/42+9/18 8/42+3/54 40/42+3/18 8/42+15/18 8/42+3/90 56/42+3/18 8/42+21/18