Add 27/36 and 18/28
27/36 + 18/28 is 39/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
27/36 = 27 × 7/36 × 7 = 189/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
18/28 = 18 × 9/28 × 9 = 162/252 - Add the two like fractions:
189/252 + 162/252 = 189 + 162/252 = 351/252 - 351/252 simplified gives 39/28
- So, 27/36 + 18/28 = 39/28
In mixed form: 111/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+18/28 27/36+36/28 27/72+18/28 27/36+18/56 81/36+18/28 27/36+54/28 27/36+18/84 27/36+90/28