Answers

Subtract 63/4 from 49/42

1^st number: 1 7/42, 2^nd number: 15 3/4

49/42 - 63/4 is -175/12.

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,
   49/42 = 49 × 2/42 × 2 = 98/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   63/4 = 63 × 21/4 × 21 = 1323/84
4. Subtract the two like fractions:
   98/84 - 1323/84 = 98 - 1323/84 = -1225/84
5. After reducing the fraction, the answer is -175/12

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