Answers

Subtract 9/63 from 12/75

12/75 - 9/63 is 3/175.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 75 × 21 = 1575,
   12/75 = 12 × 21/75 × 21 = 252/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
   9/63 = 9 × 25/63 × 25 = 225/1575
4. Subtract the two like fractions:
   252/1575 - 225/1575 = 252 - 225/1575 = 27/1575
5. After reducing the fraction, the answer is 3/175

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ²⁴/₇₅-⁹/₆₃ ¹²/₇₅-¹⁸/₆₃ ³⁶/₇₅-⁹/₆₃ ¹²/₇₅-²⁷/₆₃ ⁶⁰/₇₅-⁹/₆₃ ¹²/₇₅-⁴⁵/₆₃ ⁸⁴/₇₅-⁹/₆₃

Subtract Fractions Calculator