Answers

Subtract 63/12 from 5/81

1^st number: 5/81, 2^nd number: 5 3/12

5/81 - 63/12 is -1681/324.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 12 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 81 × 4 = 324,
   5/81 = 5 × 4/81 × 4 = 20/324
3. Likewise, for the 2nd fraction, since 12 × 27 = 324,
   63/12 = 63 × 27/12 × 27 = 1701/324
4. Subtract the two like fractions:
   20/324 - 1701/324 = 20 - 1701/324 = -1681/324

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