Answers

Subtract 16/81 from 81/15

1^st number: 5 6/15, 2^nd number: 16/81

81/15 - 16/81 is 2107/405.

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,
   81/15 = 81 × 27/15 × 27 = 2187/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   16/81 = 16 × 5/81 × 5 = 80/405
4. Subtract the two like fractions:
   2187/405 - 80/405 = 2187 - 80/405 = 2107/405
5. In mixed form: 582/405

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