Answers

Subtract 10/81 from 9/2

1^st number: 4 1/2, 2^nd number: 10/81

9/2 - 10/81 is 709/162.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 2 × 81 = 162,
   9/2 = 9 × 81/2 × 81 = 729/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   10/81 = 10 × 2/81 × 2 = 20/162
4. Subtract the two like fractions:
   729/162 - 20/162 = 729 - 20/162 = 709/162
5. In mixed form: 461/162

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