Answers

Subtract 6/81 from 2/5

2/5 - 6/81 is 44/135.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 5 × 81 = 405,
   2/5 = 2 × 81/5 × 81 = 162/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   6/81 = 6 × 5/81 × 5 = 30/405
4. Subtract the two like fractions:
   162/405 - 30/405 = 162 - 30/405 = 132/405
5. After reducing the fraction, the answer is 44/135

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