Subtract 36/6 from 90/18
1st number: 5 0/18, 2nd number: 6 0/6
90/18 - 36/6 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
90/18 = 90 × 1/18 × 1 = 90/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
36/6 = 36 × 3/6 × 3 = 108/18 - Subtract the two like fractions:
90/18 - 108/18 = 90 - 108/18 = -18/18 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18-72/6 90/36-36/6 90/18-36/12 90/54-36/6 90/18-36/18 90/18-36/30 90/18-36/42