Answers

Subtract 4/81 from 15/6

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

15/6 - 4/81 is 397/162.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 6 × 27 = 162,
   15/6 = 15 × 27/6 × 27 = 405/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   4/81 = 4 × 2/81 × 2 = 8/162
4. Subtract the two like fractions:
   405/162 - 8/162 = 405 - 8/162 = 397/162
5. In mixed form: 273/162

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