Answers

Subtract 40/81 from 84/27

1^st number: 3 3/27, 2^nd number: 40/81

84/27 - 40/81 is 212/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 81 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 27 × 3 = 81,
   84/27 = 84 × 3/27 × 3 = 252/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   40/81 = 40 × 1/81 × 1 = 40/81
4. Subtract the two like fractions:
   252/81 - 40/81 = 252 - 40/81 = 212/81
5. In mixed form: 250/81

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