Subtract 9/36 from 15/25
15/25 - 9/36 is 7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
15/25 = 15 × 36/25 × 36 = 540/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
9/36 = 9 × 25/36 × 25 = 225/900 - Subtract the two like fractions:
540/900 - 225/900 = 540 - 225/900 = 315/900 - After reducing the fraction, the answer is 7/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25-9/36 15/25-18/36 15/50-9/36 15/25-9/72 45/25-9/36 15/25-27/36 15/75-9/36 75/25-9/36 15/25-45/36 15/25-63/36