Subtract 3/18 from 18/25
18/25 - 3/18 is 83/150.
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,
18/25 = 18 × 18/25 × 18 = 324/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
3/18 = 3 × 25/18 × 25 = 75/450 - Subtract the two like fractions:
324/450 - 75/450 = 324 - 75/450 = 249/450 - After reducing the fraction, the answer is 83/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/25-3/18 18/25-6/18 18/50-3/18 18/25-3/36 54/25-3/18 18/25-9/18 18/75-3/18 18/25-3/54 90/25-3/18 18/25-15/18 18/25-3/90 18/25-21/18