Answers

Subtract 63/4 from 42/48

1^st number: 42/48, 2^nd number: 15 3/4

42/48 - 63/4 is -119/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 4 is 48
   
   Next, find the equivalent fraction of both fractional numbers with denominator 48
2. For the 1st fraction, since 48 × 1 = 48,
   42/48 = 42 × 1/48 × 1 = 42/48
3. Likewise, for the 2nd fraction, since 4 × 12 = 48,
   63/4 = 63 × 12/4 × 12 = 756/48
4. Subtract the two like fractions:
   42/48 - 756/48 = 42 - 756/48 = -714/48
5. After reducing the fraction, the answer is -119/8

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