Add 12/42 and 18/14
1st number: 12/42, 2nd number: 1 4/14
12/42 + 18/14 is 11/7.
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,
12/42 = 12 × 1/42 × 1 = 12/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
18/14 = 18 × 3/14 × 3 = 54/42 - Add the two like fractions:
12/42 + 54/42 = 12 + 54/42 = 66/42 - 66/42 simplified gives 11/7
- So, 12/42 + 18/14 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42+18/14 12/42+36/14 12/84+18/14 12/42+18/28 36/42+18/14 12/42+54/14 12/42+18/42 60/42+18/14 12/42+90/14 12/42+18/70 84/42+18/14 12/42+18/98