Add 18/42 and 30/14
1st number: 18/42, 2nd number: 2 2/14
18/42 + 30/14 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
18/42 = 18 × 1/42 × 1 = 18/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
30/14 = 30 × 3/14 × 3 = 90/42 - Add the two like fractions:
18/42 + 90/42 = 18 + 90/42 = 108/42 - 108/42 simplified gives 18/7
- So, 18/42 + 30/14 = 18/7
In mixed form: 24/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42+30/14 18/42+60/14 18/84+30/14 18/42+30/28 54/42+30/14 18/42+90/14 18/42+30/42 90/42+30/14 18/42+30/70 18/42+30/98