Answers

Subtract 63/4 from 54/16

1^st number: 3 6/16, 2^nd number: 15 3/4

54/16 - 63/4 is -99/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 4 is 16
   
   Next, find the equivalent fraction of both fractional numbers with denominator 16
2. For the 1st fraction, since 16 × 1 = 16,
   54/16 = 54 × 1/16 × 1 = 54/16
3. Likewise, for the 2nd fraction, since 4 × 4 = 16,
   63/4 = 63 × 4/4 × 4 = 252/16
4. Subtract the two like fractions:
   54/16 - 252/16 = 54 - 252/16 = -198/16
5. After reducing the fraction, the answer is -99/8

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