Add 18/36 and 27/84
18/36 + 27/84 is 23/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
27/84 = 27 × 3/84 × 3 = 81/252 - Add the two like fractions:
126/252 + 81/252 = 126 + 81/252 = 207/252 - 207/252 simplified gives 23/28
- So, 18/36 + 27/84 = 23/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36+54/84 18/72+27/84 54/36+27/84 18/36+81/84 90/36+27/84