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Add 49/81 and 12/18

49/81 + 12/18 is 103/81.

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,
    49/81 = 49 × 2/81 × 2 = 98/162
  3. Likewise, for the 2nd fraction, since 18 × 9 = 162,
    12/18 = 12 × 9/18 × 9 = 108/162
  4. Add the two like fractions:
    98/162 + 108/162 = 98 + 108/162 = 206/162
  5. 206/162 simplified gives 103/81
  6. So, 49/81 + 12/18 = 103/81
    In mixed form: 122/81

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