Answers

Subtract 10/81 from 8/15

8/15 - 10/81 is 166/405.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 15 × 27 = 405,
   8/15 = 8 × 27/15 × 27 = 216/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   10/81 = 10 × 5/81 × 5 = 50/405
4. Subtract the two like fractions:
   216/405 - 50/405 = 216 - 50/405 = 166/405

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