Answers

Subtract 54/81 from 3/12

3/12 - 54/81 is -5/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 12 × 27 = 324,
   3/12 = 3 × 27/12 × 27 = 81/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   54/81 = 54 × 4/81 × 4 = 216/324
4. Subtract the two like fractions:
   81/324 - 216/324 = 81 - 216/324 = -135/324
5. After reducing the fraction, the answer is -5/12

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