Answers

Subtract 10/81 from 12/9

1^st number: 1 3/9, 2^nd number: 10/81

12/9 - 10/81 is 98/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 81 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 9 × 9 = 81,
   12/9 = 12 × 9/9 × 9 = 108/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   10/81 = 10 × 1/81 × 1 = 10/81
4. Subtract the two like fractions:
   108/81 - 10/81 = 108 - 10/81 = 98/81
5. In mixed form: 117/81

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