Subtract 3/6 from 18/9
1st number: 2 0/9, 2nd number: 3/6
18/9 - 3/6 is 3/2.
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,
18/9 = 18 × 2/9 × 2 = 36/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
3/6 = 3 × 3/6 × 3 = 9/18 - Subtract the two like fractions:
36/18 - 9/18 = 36 - 9/18 = 27/18 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9-3/6 18/9-3/12 54/9-3/6 18/9-9/6 18/27-3/6 18/9-3/18 90/9-3/6 18/9-15/6 18/45-3/6 18/9-3/30 18/9-21/6 18/63-3/6 18/9-3/42