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Subtract 10/81 from 81/12

1st number: 6 9/12, 2nd number: 10/81

81/12 - 10/81 is 2147/324.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 81 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 12 × 27 = 324,
    81/12 = 81 × 27/12 × 27 = 2187/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    10/81 = 10 × 4/81 × 4 = 40/324
  4. Subtract the two like fractions:
    2187/324 - 40/324 = 2187 - 40/324 = 2147/324
  5. In mixed form: 6203/324

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