Answers

Subtract 15/81 from 7/24

7/24 - 15/81 is 23/216.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 81 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 24 × 27 = 648,
   7/24 = 7 × 27/24 × 27 = 189/648
3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
   15/81 = 15 × 8/81 × 8 = 120/648
4. Subtract the two like fractions:
   189/648 - 120/648 = 189 - 120/648 = 69/648
5. After reducing the fraction, the answer is 23/216

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