Subtract 18/25 from 9/12
9/12 - 18/25 is 3/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
9/12 = 9 × 25/12 × 25 = 225/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
18/25 = 18 × 12/25 × 12 = 216/300 - Subtract the two like fractions:
225/300 - 216/300 = 225 - 216/300 = 9/300 - After reducing the fraction, the answer is 3/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12-18/25 9/12-36/25 9/24-18/25 9/12-18/50 27/12-18/25 9/12-54/25 9/36-18/25 9/12-18/75 45/12-18/25 9/12-90/25 9/60-18/25 63/12-18/25 9/84-18/25