Answers

Subtract 63/12 from 42/56

1^st number: 42/56, 2^nd number: 5 3/12

42/56 - 63/12 is -9/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 12 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   42/56 = 42 × 3/56 × 3 = 126/168
3. Likewise, for the 2nd fraction, since 12 × 14 = 168,
   63/12 = 63 × 14/12 × 14 = 882/168
4. Subtract the two like fractions:
   126/168 - 882/168 = 126 - 882/168 = -756/168
5. After reducing the fraction, the answer is -9/2

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