Answers

Subtract 2/81 from 3/15

3/15 - 2/81 is 71/405.

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,
   3/15 = 3 × 27/15 × 27 = 81/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   2/81 = 2 × 5/81 × 5 = 10/405
4. Subtract the two like fractions:
   81/405 - 10/405 = 81 - 10/405 = 71/405

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