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Subtract 3/6 from 8/81

8/81 - 3/6 is -65/162.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 6 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 81 × 2 = 162,
    8/81 = 8 × 2/81 × 2 = 16/162
  3. Likewise, for the 2nd fraction, since 6 × 27 = 162,
    3/6 = 3 × 27/6 × 27 = 81/162
  4. Subtract the two like fractions:
    16/162 - 81/162 = 16 - 81/162 = -65/162

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