Subtract 5/63 from 5/75
5/75 - 5/63 is -4/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 75 × 21 = 1575,
5/75 = 5 × 21/75 × 21 = 105/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
5/63 = 5 × 25/63 × 25 = 125/1575 - Subtract the two like fractions:
105/1575 - 125/1575 = 105 - 125/1575 = -20/1575 - After reducing the fraction, the answer is -4/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/75-5/63 5/75-10/63 15/75-5/63 5/75-15/63 25/75-5/63 5/75-25/63 35/75-5/63 5/75-35/63