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Add 35/81 and 12/18

35/81 + 12/18 is 89/81.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 81 × 2 = 162,
    35/81 = 35 × 2/81 × 2 = 70/162
  3. Likewise, for the 2nd fraction, since 18 × 9 = 162,
    12/18 = 12 × 9/18 × 9 = 108/162
  4. Add the two like fractions:
    70/162 + 108/162 = 70 + 108/162 = 178/162
  5. 178/162 simplified gives 89/81
  6. So, 35/81 + 12/18 = 89/81
    In mixed form: 18/81

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