Subtract 20/18 from 35/36
1st number: 35/36, 2nd number: 1 2/18
35/36 - 20/18 is -5/36.
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,
35/36 = 35 × 1/36 × 1 = 35/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
20/18 = 20 × 2/18 × 2 = 40/36 - Subtract the two like fractions:
35/36 - 40/36 = 35 - 40/36 = -5/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36-20/18 35/36-40/18 35/72-20/18 35/36-20/36 35/36-60/18 35/36-20/54 35/36-20/90