Subtract 9/18 from 3/25
3/25 - 9/18 is -19/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
3/25 = 3 × 18/25 × 18 = 54/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
9/18 = 9 × 25/18 × 25 = 225/450 - Subtract the two like fractions:
54/450 - 225/450 = 54 - 225/450 = -171/450 - After reducing the fraction, the answer is -19/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25-9/18 3/50-9/18 3/25-9/36 9/25-9/18 3/25-27/18 3/75-9/18 3/25-9/54 15/25-9/18 3/25-45/18 3/25-9/90 21/25-9/18 3/25-63/18