Add 1/42 and 4/18
1/42 + 4/18 is 31/126.
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,
1/42 = 1 × 3/42 × 3 = 3/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
4/18 = 4 × 7/18 × 7 = 28/126 - Add the two like fractions:
3/126 + 28/126 = 3 + 28/126 = 31/126 - So, 1/42 + 4/18 = 31/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42+4/18 1/42+8/18 1/84+4/18 1/42+4/36 3/42+4/18 1/42+12/18 1/42+4/54 5/42+4/18 1/42+20/18 1/42+4/90 7/42+4/18 1/42+28/18