Subtract 9/90 from 18/6
1st number: 3 0/6, 2nd number: 9/90
18/6 - 9/90 is 29/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
18/6 = 18 × 15/6 × 15 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Subtract the two like fractions:
270/90 - 9/90 = 270 - 9/90 = 261/90 - After reducing the fraction, the answer is 29/10
- In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6-9/90 18/6-18/90 18/12-9/90 54/6-9/90 18/6-27/90 90/6-9/90 18/6-45/90 18/30-9/90 18/6-63/90 18/42-9/90