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Subtract 4/81 from 54/5

1st number: 10 4/5, 2nd number: 4/81

54/5 - 4/81 is 4354/405.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 81 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 5 × 81 = 405,
    54/5 = 54 × 81/5 × 81 = 4374/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    4/81 = 4 × 5/81 × 5 = 20/405
  4. Subtract the two like fractions:
    4374/405 - 20/405 = 4374 - 20/405 = 4354/405
  5. In mixed form: 10304/405

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