Subtract 9/24 from 20/25
20/25 - 9/24 is 17/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 24 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 25 × 24 = 600,
20/25 = 20 × 24/25 × 24 = 480/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
9/24 = 9 × 25/24 × 25 = 225/600 - Subtract the two like fractions:
480/600 - 225/600 = 480 - 225/600 = 255/600 - After reducing the fraction, the answer is 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25-9/24 20/25-18/24 20/50-9/24 20/25-9/48 60/25-9/24 20/25-27/24 20/75-9/24 20/25-9/72 20/25-45/24 20/25-63/24