Subtract 9/18 from 3/5
3/5 - 9/18 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
3/5 = 3 × 18/5 × 18 = 54/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
9/18 = 9 × 5/18 × 5 = 45/90 - Subtract the two like fractions:
54/90 - 45/90 = 54 - 45/90 = 9/90 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5-9/18 3/10-9/18 3/5-9/36 9/5-9/18 3/5-27/18 3/15-9/18 3/5-9/54 15/5-9/18 3/5-45/18 3/25-9/18 3/5-9/90 21/5-9/18 3/5-63/18 3/35-9/18