Subtract 8/36 from 1/18
1/18 - 8/36 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
1/18 = 1 × 2/18 × 2 = 2/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
8/36 = 8 × 1/36 × 1 = 8/36 - Subtract the two like fractions:
2/36 - 8/36 = 2 - 8/36 = -6/36 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-8/36 1/18-16/36 1/36-8/36 1/18-8/72 3/18-8/36 1/18-24/36 1/54-8/36 5/18-8/36 1/18-40/36 1/90-8/36 7/18-8/36 1/18-56/36