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Subtract 30/81 from 80/45

1st number: 1 35/45, 2nd number: 30/81

80/45 - 30/81 is 38/27.

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,
    80/45 = 80 × 9/45 × 9 = 720/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    30/81 = 30 × 5/81 × 5 = 150/405
  4. Subtract the two like fractions:
    720/405 - 150/405 = 720 - 150/405 = 570/405
  5. After reducing the fraction, the answer is 38/27
  6. In mixed form: 111/27

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