Subtract 9/18 from 1/36
1/36 - 9/18 is -17/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
1/36 = 1 × 1/36 × 1 = 1/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
9/18 = 9 × 2/18 × 2 = 18/36 - Subtract the two like fractions:
1/36 - 18/36 = 1 - 18/36 = -17/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/36-9/18 1/72-9/18 1/36-9/36 3/36-9/18 1/36-27/18 1/36-9/54 5/36-9/18 1/36-45/18 1/36-9/90 7/36-9/18 1/36-63/18