Answers

Subtract 7/81 from 5/12

5/12 - 7/81 is 107/324.

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,
   5/12 = 5 × 27/12 × 27 = 135/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   7/81 = 7 × 4/81 × 4 = 28/324
4. Subtract the two like fractions:
   135/324 - 28/324 = 135 - 28/324 = 107/324

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