Subtract 12/25 from 9/12
9/12 - 12/25 is 27/100.
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,
12/25 = 12 × 12/25 × 12 = 144/300 - Subtract the two like fractions:
225/300 - 144/300 = 225 - 144/300 = 81/300 - After reducing the fraction, the answer is 27/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12-12/25 9/12-24/25 9/24-12/25 9/12-12/50 27/12-12/25 9/12-36/25 9/36-12/25 9/12-12/75 45/12-12/25 9/12-60/25 9/60-12/25 63/12-12/25 9/12-84/25 9/84-12/25