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Add 3/16 and 9/81

3/16 + 9/81 is 43/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 81 is 1296

    Next, find the equivalent fraction of both fractional numbers with denominator 1296
  2. For the 1st fraction, since 16 × 81 = 1296,
    3/16 = 3 × 81/16 × 81 = 243/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    9/81 = 9 × 16/81 × 16 = 144/1296
  4. Add the two like fractions:
    243/1296 + 144/1296 = 243 + 144/1296 = 387/1296
  5. 387/1296 simplified gives 43/144
  6. So, 3/16 + 9/81 = 43/144

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