Answers

Subtract 48/4 from 16/42

1^st number: 16/42, 2^nd number: 12 0/4

16/42 - 48/4 is -244/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   16/42 = 16 × 2/42 × 2 = 32/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   48/4 = 48 × 21/4 × 21 = 1008/84
4. Subtract the two like fractions:
   32/84 - 1008/84 = 32 - 1008/84 = -976/84
5. After reducing the fraction, the answer is -244/21

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