Subtract 4/18 from 84/9
1st number: 9 3/9, 2nd number: 4/18
84/9 - 4/18 is 82/9.
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,
84/9 = 84 × 2/9 × 2 = 168/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
4/18 = 4 × 1/18 × 1 = 4/18 - Subtract the two like fractions:
168/18 - 4/18 = 168 - 4/18 = 164/18 - After reducing the fraction, the answer is 82/9
- In mixed form: 91/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9-8/18 84/18-4/18 84/9-4/36 84/9-12/18 84/27-4/18 84/9-4/54 84/9-20/18 84/45-4/18 84/9-4/90 84/9-28/18 84/63-4/18