Subtract 3/25 from 1/18
1/18 - 3/25 is -29/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
1/18 = 1 × 25/18 × 25 = 25/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
3/25 = 3 × 18/25 × 18 = 54/450 - Subtract the two like fractions:
25/450 - 54/450 = 25 - 54/450 = -29/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-3/25 1/18-6/25 1/36-3/25 1/18-3/50 3/18-3/25 1/18-9/25 1/54-3/25 1/18-3/75 5/18-3/25 1/18-15/25 1/90-3/25 7/18-3/25 1/18-21/25