Subtract 40/63 from 8/25
8/25 - 40/63 is -496/1575.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
8/25 = 8 × 63/25 × 63 = 504/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
40/63 = 40 × 25/63 × 25 = 1000/1575 - Subtract the two like fractions:
504/1575 - 1000/1575 = 504 - 1000/1575 = -496/1575
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-40/63 8/25-80/63 8/50-40/63 24/25-40/63 8/75-40/63 40/25-40/63 56/25-40/63