Add 18/36 and 63/27
1st number: 18/36, 2nd number: 2 9/27
18/36 + 63/27 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
18/36 = 18 × 3/36 × 3 = 54/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
63/27 = 63 × 4/27 × 4 = 252/108 - Add the two like fractions:
54/108 + 252/108 = 54 + 252/108 = 306/108 - 306/108 simplified gives 17/6
- So, 18/36 + 63/27 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72+63/27 18/36+63/54 54/36+63/27 18/36+63/81 90/36+63/27