Subtract 9/18 from 18/6
1st number: 3 0/6, 2nd number: 9/18
18/6 - 9/18 is 5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
18/6 = 18 × 3/6 × 3 = 54/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
9/18 = 9 × 1/18 × 1 = 9/18 - Subtract the two like fractions:
54/18 - 9/18 = 54 - 9/18 = 45/18 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6-9/18 18/12-9/18 18/6-9/36 54/6-9/18 18/6-27/18 18/6-9/54 90/6-9/18 18/6-45/18 18/30-9/18 18/6-9/90 18/6-63/18 18/42-9/18