Add 18/42 and 18/4
1st number: 18/42, 2nd number: 4 2/4
18/42 + 18/4 is 69/14.
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,
18/4 = 18 × 21/4 × 21 = 378/84 - Add the two like fractions:
36/84 + 378/84 = 36 + 378/84 = 414/84 - 414/84 simplified gives 69/14
- So, 18/42 + 18/4 = 69/14
In mixed form: 413/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42+18/4 18/42+36/4 18/84+18/4 18/42+18/8 54/42+18/4 18/42+54/4 18/42+18/12 90/42+18/4 18/42+90/4 18/42+18/20 18/42+18/28