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Subtract 6/81 from 45/15

1st number: 3 0/15, 2nd number: 6/81

45/15 - 6/81 is 79/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 81 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 15 × 27 = 405,
    45/15 = 45 × 27/15 × 27 = 1215/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    6/81 = 6 × 5/81 × 5 = 30/405
  4. Subtract the two like fractions:
    1215/405 - 30/405 = 1215 - 30/405 = 1185/405
  5. After reducing the fraction, the answer is 79/27
  6. In mixed form: 225/27

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