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Add 3/14 and 12/81

3/14 + 12/81 is 137/378.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 81 is 1134

    Next, find the equivalent fraction of both fractional numbers with denominator 1134
  2. For the 1st fraction, since 14 × 81 = 1134,
    3/14 = 3 × 81/14 × 81 = 243/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    12/81 = 12 × 14/81 × 14 = 168/1134
  4. Add the two like fractions:
    243/1134 + 168/1134 = 243 + 168/1134 = 411/1134
  5. 411/1134 simplified gives 137/378
  6. So, 3/14 + 12/81 = 137/378

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