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Add 12/45 and 6/81

12/45 + 6/81 is 46/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 81 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 45 × 9 = 405,
    12/45 = 12 × 9/45 × 9 = 108/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    6/81 = 6 × 5/81 × 5 = 30/405
  4. Add the two like fractions:
    108/405 + 30/405 = 108 + 30/405 = 138/405
  5. 138/405 simplified gives 46/135
  6. So, 12/45 + 6/81 = 46/135

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