Subtract 90/6 from 36/9
1st number: 4 0/9, 2nd number: 15 0/6
36/9 - 90/6 is -11/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
36/9 = 36 × 2/9 × 2 = 72/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
90/6 = 90 × 3/6 × 3 = 270/18 - Subtract the two like fractions:
72/18 - 270/18 = 72 - 270/18 = -198/18 - After reducing the fraction, the answer is -11/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9-90/6 36/18-90/6 36/9-90/12 36/27-90/6 36/9-90/18 36/45-90/6 36/9-90/30 36/63-90/6 36/9-90/42