Answers

Subtract 63/16 from 21/32

1^st number: 21/32, 2^nd number: 3 15/16

21/32 - 63/16 is -105/32.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 16 is 32
   
   Next, find the equivalent fraction of both fractional numbers with denominator 32
2. For the 1st fraction, since 32 × 1 = 32,
   21/32 = 21 × 1/32 × 1 = 21/32
3. Likewise, for the 2nd fraction, since 16 × 2 = 32,
   63/16 = 63 × 2/16 × 2 = 126/32
4. Subtract the two like fractions:
   21/32 - 126/32 = 21 - 126/32 = -105/32

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