Add 18/28 and 84/36
1st number: 18/28, 2nd number: 2 12/36
18/28 + 84/36 is 125/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
18/28 = 18 × 9/28 × 9 = 162/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
84/36 = 84 × 7/36 × 7 = 588/252 - Add the two like fractions:
162/252 + 588/252 = 162 + 588/252 = 750/252 - 750/252 simplified gives 125/42
- So, 18/28 + 84/36 = 125/42
In mixed form: 241/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+84/36 18/56+84/36 18/28+84/72 54/28+84/36 18/84+84/36 90/28+84/36