Subtract 45/18 from 8/36
1st number: 8/36, 2nd number: 2 9/18
8/36 - 45/18 is -41/18.
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,
8/36 = 8 × 1/36 × 1 = 8/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
45/18 = 45 × 2/18 × 2 = 90/36 - Subtract the two like fractions:
8/36 - 90/36 = 8 - 90/36 = -82/36 - After reducing the fraction, the answer is -41/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/36-45/18 8/36-90/18 8/72-45/18 8/36-45/36 24/36-45/18 8/36-45/54 40/36-45/18 8/36-45/90 56/36-45/18