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Subtract 10/81 from 49/45

1st number: 1 4/45, 2nd number: 10/81

49/45 - 10/81 is 391/405.

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,
    49/45 = 49 × 9/45 × 9 = 441/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    10/81 = 10 × 5/81 × 5 = 50/405
  4. Subtract the two like fractions:
    441/405 - 50/405 = 441 - 50/405 = 391/405

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