Subtract 18/32 from 8/25
8/25 - 18/32 is -97/400.
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,
8/25 = 8 × 32/25 × 32 = 256/800 - Likewise, for the 2nd fraction, since 32 × 25 = 800,
18/32 = 18 × 25/32 × 25 = 450/800 - Subtract the two like fractions:
256/800 - 450/800 = 256 - 450/800 = -194/800 - After reducing the fraction, the answer is -97/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-18/32 8/25-36/32 8/50-18/32 8/25-18/64 24/25-18/32 8/25-54/32 8/75-18/32 8/25-18/96 40/25-18/32 8/25-90/32 56/25-18/32