Subtract 18/63 from 6/25
6/25 - 18/63 is -8/175.
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,
6/25 = 6 × 63/25 × 63 = 378/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
18/63 = 18 × 25/63 × 25 = 450/1575 - Subtract the two like fractions:
378/1575 - 450/1575 = 378 - 450/1575 = -72/1575 - After reducing the fraction, the answer is -8/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/25-18/63 6/25-36/63 6/50-18/63 18/25-18/63 6/25-54/63 6/75-18/63 30/25-18/63 6/25-90/63 42/25-18/63