Subtract 18/63 from 9/25
9/25 - 18/63 is 13/175.
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,
9/25 = 9 × 63/25 × 63 = 567/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
18/63 = 18 × 25/63 × 25 = 450/1575 - Subtract the two like fractions:
567/1575 - 450/1575 = 567 - 450/1575 = 117/1575 - After reducing the fraction, the answer is 13/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/25-18/63 9/25-36/63 9/50-18/63 27/25-18/63 9/25-54/63 9/75-18/63 45/25-18/63 9/25-90/63 63/25-18/63