Add 84/18 and 18/14
1st number: 4 12/18, 2nd number: 1 4/14
84/18 + 18/14 is 125/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
18/14 = 18 × 9/14 × 9 = 162/126 - Add the two like fractions:
588/126 + 162/126 = 588 + 162/126 = 750/126 - 750/126 simplified gives 125/21
- So, 84/18 + 18/14 = 125/21
In mixed form: 520/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+36/14 84/36+18/14 84/18+18/28 84/18+54/14 84/54+18/14 84/18+18/42 84/18+90/14 84/90+18/14 84/18+18/70 84/18+18/98