Subtract 5/6 from 20/36
20/36 - 5/6 is -5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 6 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Likewise, for the 2nd fraction, since 6 × 6 = 36,
5/6 = 5 × 6/6 × 6 = 30/36 - Subtract the two like fractions:
20/36 - 30/36 = 20 - 30/36 = -10/36 - After reducing the fraction, the answer is -5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36-5/6 20/36-10/6 20/72-5/6 20/36-5/12 60/36-5/6 20/36-15/6 20/36-5/18 20/36-25/6 20/36-5/30 20/36-35/6 20/36-5/42