Answers

Subtract 63/12 from 63/98

1^st number: 63/98, 2^nd number: 5 3/12

63/98 - 63/12 is -129/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 12 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 98 × 6 = 588,
   63/98 = 63 × 6/98 × 6 = 378/588
3. Likewise, for the 2nd fraction, since 12 × 49 = 588,
   63/12 = 63 × 49/12 × 49 = 3087/588
4. Subtract the two like fractions:
   378/588 - 3087/588 = 378 - 3087/588 = -2709/588
5. After reducing the fraction, the answer is -129/28

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