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Subtract 3/5 from 2/81

2/81 - 3/5 is -233/405.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 5 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 81 × 5 = 405,
    2/81 = 2 × 5/81 × 5 = 10/405
  3. Likewise, for the 2nd fraction, since 5 × 81 = 405,
    3/5 = 3 × 81/5 × 81 = 243/405
  4. Subtract the two like fractions:
    10/405 - 243/405 = 10 - 243/405 = -233/405

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