Answers

Subtract 30/81 from 24/15

1^st number: 1 9/15, 2^nd number: 30/81

24/15 - 30/81 is 166/135.

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,
   24/15 = 24 × 27/15 × 27 = 648/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   30/81 = 30 × 5/81 × 5 = 150/405
4. Subtract the two like fractions:
   648/405 - 150/405 = 648 - 150/405 = 498/405
5. After reducing the fraction, the answer is 166/135
6. In mixed form: 131/135

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