Answers

Subtract 1/63 from 81/28

1^st number: 2 25/28, 2^nd number: 1/63

81/28 - 1/63 is 725/252.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 28 × 9 = 252,
   81/28 = 81 × 9/28 × 9 = 729/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   1/63 = 1 × 4/63 × 4 = 4/252
4. Subtract the two like fractions:
   729/252 - 4/252 = 729 - 4/252 = 725/252
5. In mixed form: 2221/252

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