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Add 9/15 and 5/81

9/15 + 5/81 is 268/405.

Steps for adding 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,
    9/15 = 9 × 27/15 × 27 = 243/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    5/81 = 5 × 5/81 × 5 = 25/405
  4. Add the two like fractions:
    243/405 + 25/405 = 243 + 25/405 = 268/405
  5. So, 9/15 + 5/81 = 268/405

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