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Add 1/15 and 10/81

1/15 + 10/81 is 77/405.

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,
    1/15 = 1 × 27/15 × 27 = 27/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    10/81 = 10 × 5/81 × 5 = 50/405
  4. Add the two like fractions:
    27/405 + 50/405 = 27 + 50/405 = 77/405
  5. So, 1/15 + 10/81 = 77/405

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