Answers

Subtract 98/63 from 25/72

1^st number: 25/72, 2^nd number: 1 35/63

25/72 - 98/63 is -29/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 63 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   25/72 = 25 × 7/72 × 7 = 175/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   98/63 = 98 × 8/63 × 8 = 784/504
4. Subtract the two like fractions:
   175/504 - 784/504 = 175 - 784/504 = -609/504
5. After reducing the fraction, the answer is -29/24

MathStep (Works offline)

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

Related: ⁵⁰/₇₂-⁹⁸/₆₃ ⁷⁵/₇₂-⁹⁸/₆₃

Subtract Fractions Calculator