Add 27/63 and 18/36
27/63 + 18/36 is 13/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
27/63 = 27 × 4/63 × 4 = 108/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Add the two like fractions:
108/252 + 126/252 = 108 + 126/252 = 234/252 - 234/252 simplified gives 13/14
- So, 27/63 + 18/36 = 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+18/36 27/63+18/72 81/63+18/36 27/63+54/36 27/63+90/36