Answers

Subtract 18/81 from 3/6

3/6 - 18/81 is 5/18.

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,
   3/6 = 3 × 27/6 × 27 = 81/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   18/81 = 18 × 2/81 × 2 = 36/162
4. Subtract the two like fractions:
   81/162 - 36/162 = 81 - 36/162 = 45/162
5. After reducing the fraction, the answer is 5/18

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