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Add 4/18 and 3/81

4/18 + 3/81 is 7/27.

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,
    4/18 = 4 × 9/18 × 9 = 36/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    3/81 = 3 × 2/81 × 2 = 6/162
  4. Add the two like fractions:
    36/162 + 6/162 = 36 + 6/162 = 42/162
  5. 42/162 simplified gives 7/27
  6. So, 4/18 + 3/81 = 7/27

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