Subtract 40/36 from 9/18
1st number: 9/18, 2nd number: 1 4/36
9/18 - 40/36 is -11/18.
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,
9/18 = 9 × 2/18 × 2 = 18/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
40/36 = 40 × 1/36 × 1 = 40/36 - Subtract the two like fractions:
18/36 - 40/36 = 18 - 40/36 = -22/36 - After reducing the fraction, the answer is -11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18-80/36 9/36-40/36 9/18-40/72 27/18-40/36 9/54-40/36 45/18-40/36 9/90-40/36 63/18-40/36