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Subtract 10/81 from 2/15

2/15 - 10/81 is 4/405.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 81 is 405
  2. For the 1st fraction, since 15 × 27 = 405,
    2/15 = 2 × 27/15 × 27 = 54/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    10/81 = 10 × 5/81 × 5 = 50/405
  4. Subtract the two fractions:
    54/405 - 50/405 = 54 - 50/405 = 4/405

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