Subtract 18/25 from 9/63
9/63 - 18/25 is -101/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 25 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 63 × 25 = 1575,
9/63 = 9 × 25/63 × 25 = 225/1575 - Likewise, for the 2nd fraction, since 25 × 63 = 1575,
18/25 = 18 × 63/25 × 63 = 1134/1575 - Subtract the two like fractions:
225/1575 - 1134/1575 = 225 - 1134/1575 = -909/1575 - After reducing the fraction, the answer is -101/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63-18/25 9/63-36/25 9/63-18/50 27/63-18/25 9/63-54/25 9/63-18/75 45/63-18/25 9/63-90/25