Subtract 6/27 from 18/36
18/36 - 6/27 is 5/18.
Steps for subtracting 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,
6/27 = 6 × 4/27 × 4 = 24/108 - Subtract the two like fractions:
54/108 - 24/108 = 54 - 24/108 = 30/108 - After reducing the fraction, the answer is 5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36-12/27 18/72-6/27 18/36-6/54 54/36-6/27 18/36-18/27 18/36-6/81 90/36-6/27 18/36-30/27 18/36-42/27