Subtract 35/27 from 18/36
1st number: 18/36, 2nd number: 1 8/27
18/36 - 35/27 is -43/54.
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,
35/27 = 35 × 4/27 × 4 = 140/108 - Subtract the two like fractions:
54/108 - 140/108 = 54 - 140/108 = -86/108 - After reducing the fraction, the answer is -43/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36-70/27 18/72-35/27 18/36-35/54 54/36-35/27 18/36-35/81 90/36-35/27