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Subtract 6/81 from 5/18

5/18 - 6/81 is 11/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 81 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 18 × 9 = 162,
    5/18 = 5 × 9/18 × 9 = 45/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    6/81 = 6 × 2/81 × 2 = 12/162
  4. Subtract the two like fractions:
    45/162 - 12/162 = 45 - 12/162 = 33/162
  5. After reducing the fraction, the answer is 11/54

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