Answers

Subtract 5/81 from 1/24

1/24 - 5/81 is -13/648.

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,
   1/24 = 1 × 27/24 × 27 = 27/648
3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
   5/81 = 5 × 8/81 × 8 = 40/648
4. Subtract the two like fractions:
   27/648 - 40/648 = 27 - 40/648 = -13/648

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