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Subtract 40/6 from 5/81

1st number: 5/81, 2nd number: 6 4/6

5/81 - 40/6 is -535/81.

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,
    5/81 = 5 × 2/81 × 2 = 10/162
  3. Likewise, for the 2nd fraction, since 6 × 27 = 162,
    40/6 = 40 × 27/6 × 27 = 1080/162
  4. Subtract the two like fractions:
    10/162 - 1080/162 = 10 - 1080/162 = -1070/162
  5. After reducing the fraction, the answer is -535/81

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