Answers

Subtract 40/12 from 2/81

1^st number: 2/81, 2^nd number: 3 4/12

2/81 - 40/12 is -268/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 12 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 81 × 4 = 324,
   2/81 = 2 × 4/81 × 4 = 8/324
3. Likewise, for the 2nd fraction, since 12 × 27 = 324,
   40/12 = 40 × 27/12 × 27 = 1080/324
4. Subtract the two like fractions:
   8/324 - 1080/324 = 8 - 1080/324 = -1072/324
5. After reducing the fraction, the answer is -268/81

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