Add 18/42 and 6/4
1st number: 18/42, 2nd number: 1 2/4
18/42 + 6/4 is 27/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
18/42 = 18 × 2/42 × 2 = 36/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
6/4 = 6 × 21/4 × 21 = 126/84 - Add the two like fractions:
36/84 + 126/84 = 36 + 126/84 = 162/84 - 162/84 simplified gives 27/14
- So, 18/42 + 6/4 = 27/14
In mixed form: 113/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42+6/4 18/42+12/4 18/84+6/4 18/42+6/8 54/42+6/4 18/42+18/4 18/42+6/12 90/42+6/4 18/42+30/4 18/42+6/20 18/42+42/4 18/42+6/28