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Add 9/15 and 6/81

9/15 + 6/81 is 91/135.

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,
    6/81 = 6 × 5/81 × 5 = 30/405
  4. Add the two like fractions:
    243/405 + 30/405 = 243 + 30/405 = 273/405
  5. 273/405 simplified gives 91/135
  6. So, 9/15 + 6/81 = 91/135

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