Answers

Subtract 48/12 from 63/18

1^st number: 3 9/18, 2^nd number: 4 0/12

63/18 - 48/12 is -1/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 12 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 18 × 2 = 36,
   63/18 = 63 × 2/18 × 2 = 126/36
3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
   48/12 = 48 × 3/12 × 3 = 144/36
4. Subtract the two like fractions:
   126/36 - 144/36 = 126 - 144/36 = -18/36
5. After reducing the fraction, the answer is -1/2

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