Answers

Subtract 42/81 from 12/6

1^st number: 2 0/6, 2^nd number: 42/81

12/6 - 42/81 is 40/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 6 × 27 = 162,
   12/6 = 12 × 27/6 × 27 = 324/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   42/81 = 42 × 2/81 × 2 = 84/162
4. Subtract the two like fractions:
   324/162 - 84/162 = 324 - 84/162 = 240/162
5. After reducing the fraction, the answer is 40/27
6. In mixed form: 113/27

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