Answers

Subtract 63/56 from 21/98

1^st number: 21/98, 2^nd number: 1 7/56

21/98 - 63/56 is -51/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 56 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 98 × 4 = 392,
   21/98 = 21 × 4/98 × 4 = 84/392
3. Likewise, for the 2nd fraction, since 56 × 7 = 392,
   63/56 = 63 × 7/56 × 7 = 441/392
4. Subtract the two like fractions:
   84/392 - 441/392 = 84 - 441/392 = -357/392
5. After reducing the fraction, the answer is -51/56

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