Add 84/42 and 18/14
1st number: 2 0/42, 2nd number: 1 4/14
84/42 + 18/14 is 23/7.
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,
84/42 = 84 × 1/42 × 1 = 84/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
18/14 = 18 × 3/14 × 3 = 54/42 - Add the two like fractions:
84/42 + 54/42 = 84 + 54/42 = 138/42 - 138/42 simplified gives 23/7
- So, 84/42 + 18/14 = 23/7
In mixed form: 32/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/42+36/14 84/42+18/28 84/42+54/14 84/42+18/42 84/42+90/14 84/42+18/70 84/42+18/98