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Subtract 50/81 from 84/45

1st number: 1 39/45, 2nd number: 50/81

84/45 - 50/81 is 506/405.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 81 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 45 × 9 = 405,
    84/45 = 84 × 9/45 × 9 = 756/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    50/81 = 50 × 5/81 × 5 = 250/405
  4. Subtract the two like fractions:
    756/405 - 250/405 = 756 - 250/405 = 506/405
  5. In mixed form: 1101/405

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