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Add 12/15 and 18/81

12/15 + 18/81 is 46/45.

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,
    12/15 = 12 × 27/15 × 27 = 324/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    18/81 = 18 × 5/81 × 5 = 90/405
  4. Add the two like fractions:
    324/405 + 90/405 = 324 + 90/405 = 414/405
  5. 414/405 simplified gives 46/45
  6. So, 12/15 + 18/81 = 46/45
    In mixed form: 11/45

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