Answers

Subtract 15/6 from 4/81

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

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

Steps for subtracting fractions

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

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