Answers

Subtract 75/63 from 49/75

1^st number: 49/75, 2^nd number: 1 12/63

49/75 - 75/63 is -94/175.

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,
   49/75 = 49 × 21/75 × 21 = 1029/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
   75/63 = 75 × 25/63 × 25 = 1875/1575
4. Subtract the two like fractions:
   1029/1575 - 1875/1575 = 1029 - 1875/1575 = -846/1575
5. After reducing the fraction, the answer is -94/175

MathStep (Works offline)

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

Related: ⁹⁸/₇₅-⁷⁵/₆₃

Subtract Fractions Calculator