Subtract 6/9 from 90/12
1st number: 7 6/12, 2nd number: 6/9
90/12 - 6/9 is 41/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
90/12 = 90 × 3/12 × 3 = 270/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
6/9 = 6 × 4/9 × 4 = 24/36 - Subtract the two like fractions:
270/36 - 24/36 = 270 - 24/36 = 246/36 - After reducing the fraction, the answer is 41/6
- In mixed form: 65/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12-12/9 90/24-6/9 90/12-6/18 90/12-18/9 90/36-6/9 90/12-6/27 90/12-30/9 90/60-6/9 90/12-6/45 90/12-42/9 90/84-6/9 90/12-6/63