Subtract 6/18 from 90/9
1st number: 10 0/9, 2nd number: 6/18
90/9 - 6/18 is 29/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
90/9 = 90 × 2/9 × 2 = 180/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
6/18 = 6 × 1/18 × 1 = 6/18 - Subtract the two like fractions:
180/18 - 6/18 = 180 - 6/18 = 174/18 - After reducing the fraction, the answer is 29/3
- In mixed form: 92/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9-12/18 90/18-6/18 90/9-6/36 90/27-6/18 90/9-6/54 90/9-30/18 90/45-6/18 90/9-6/90 90/9-42/18 90/63-6/18