Answers

Subtract 9/8 from 24/81

1^st number: 24/81, 2^nd number: 1 1/8

24/81 - 9/8 is -179/216.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 8 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 81 × 8 = 648,
   24/81 = 24 × 8/81 × 8 = 192/648
3. Likewise, for the 2nd fraction, since 8 × 81 = 648,
   9/8 = 9 × 81/8 × 81 = 729/648
4. Subtract the two like fractions:
   192/648 - 729/648 = 192 - 729/648 = -537/648
5. After reducing the fraction, the answer is -179/216

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