Subtract 9/90 from 2/18
2/18 - 9/90 is 1/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
2/18 = 2 × 5/18 × 5 = 10/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Subtract the two like fractions:
10/90 - 9/90 = 10 - 9/90 = 1/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18-9/90 2/18-18/90 2/36-9/90 6/18-9/90 2/18-27/90 2/54-9/90 10/18-9/90 2/18-45/90 2/90-9/90 14/18-9/90 2/18-63/90