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Add 12/18 and 3/81

12/18 + 3/81 is 19/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 81 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 18 × 9 = 162,
    12/18 = 12 × 9/18 × 9 = 108/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    3/81 = 3 × 2/81 × 2 = 6/162
  4. Add the two like fractions:
    108/162 + 6/162 = 108 + 6/162 = 114/162
  5. 114/162 simplified gives 19/27
  6. So, 12/18 + 3/81 = 19/27

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