Answers

Subtract 7/6 from 1/81

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

1/81 - 7/6 is -187/162.

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,
   1/81 = 1 × 2/81 × 2 = 2/162
3. Likewise, for the 2nd fraction, since 6 × 27 = 162,
   7/6 = 7 × 27/6 × 27 = 189/162
4. Subtract the two like fractions:
   2/162 - 189/162 = 2 - 189/162 = -187/162

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