Subtract 3/63 from 7/75
7/75 - 3/63 is 8/175.
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,
7/75 = 7 × 21/75 × 21 = 147/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
3/63 = 3 × 25/63 × 25 = 75/1575 - Subtract the two like fractions:
147/1575 - 75/1575 = 147 - 75/1575 = 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: 14/75-3/63 7/75-6/63 21/75-3/63 7/75-9/63 35/75-3/63 7/75-15/63 49/75-3/63 7/75-21/63