Add 27/18 and 28/84
1st number: 1 9/18, 2nd number: 28/84
27/18 + 28/84 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
27/18 = 27 × 14/18 × 14 = 378/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
28/84 = 28 × 3/84 × 3 = 84/252 - Add the two like fractions:
378/252 + 84/252 = 378 + 84/252 = 462/252 - 462/252 simplified gives 11/6
- So, 27/18 + 28/84 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+28/84 27/18+56/84 27/36+28/84 81/18+28/84 27/54+28/84 27/90+28/84