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Add 18/81 and 2/15

18/81 + 2/15 is 16/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 15 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 81 × 5 = 405,
    18/81 = 18 × 5/81 × 5 = 90/405
  3. Likewise, for the 2nd fraction, since 15 × 27 = 405,
    2/15 = 2 × 27/15 × 27 = 54/405
  4. Add the two like fractions:
    90/405 + 54/405 = 90 + 54/405 = 144/405
  5. 144/405 simplified gives 16/45
  6. So, 18/81 + 2/15 = 16/45

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