Answers

Subtract 8/81 from 27/4

1^st number: 6 3/4, 2^nd number: 8/81

27/4 - 8/81 is 2155/324.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 4 × 81 = 324,
   27/4 = 27 × 81/4 × 81 = 2187/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   8/81 = 8 × 4/81 × 4 = 32/324
4. Subtract the two like fractions:
   2187/324 - 32/324 = 2187 - 32/324 = 2155/324
5. In mixed form: 6211/324

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