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Subtract 8/81 from 16/5

1st number: 3 1/5, 2nd number: 8/81

16/5 - 8/81 is 1256/405.

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,
    16/5 = 16 × 81/5 × 81 = 1296/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    8/81 = 8 × 5/81 × 5 = 40/405
  4. Subtract the two like fractions:
    1296/405 - 40/405 = 1296 - 40/405 = 1256/405
  5. In mixed form: 341/405

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