Answers

Subtract 1/63 from 21/16

1^st number: 1 5/16, 2^nd number: 1/63

21/16 - 1/63 is 1307/1008.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 63 is 1008
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1008
2. For the 1st fraction, since 16 × 63 = 1008,
   21/16 = 21 × 63/16 × 63 = 1323/1008
3. Likewise, for the 2nd fraction, since 63 × 16 = 1008,
   1/63 = 1 × 16/63 × 16 = 16/1008
4. Subtract the two like fractions:
   1323/1008 - 16/1008 = 1323 - 16/1008 = 1307/1008
5. In mixed form: 1299/1008

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