Subtract 15/32 from 15/25
15/25 - 15/32 is 21/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 32 is 800
Next, find the equivalent fraction of both fractional numbers with denominator 800 - For the 1st fraction, since 25 × 32 = 800,
15/25 = 15 × 32/25 × 32 = 480/800 - Likewise, for the 2nd fraction, since 32 × 25 = 800,
15/32 = 15 × 25/32 × 25 = 375/800 - Subtract the two like fractions:
480/800 - 375/800 = 480 - 375/800 = 105/800 - After reducing the fraction, the answer is 21/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25-15/32 15/25-30/32 15/50-15/32 15/25-15/64 45/25-15/32 15/25-45/32 15/75-15/32 15/25-15/96 75/25-15/32 15/25-75/32