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Add 1/81 and 4/16

1/81 + 4/16 is 85/324.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1296
  2. For the 1st fraction, since 81 × 16 = 1296,
    1/81 = 1 × 16/81 × 16 = 16/1296
  3. Likewise, for the 2nd fraction, since 16 × 81 = 1296,
    4/16 = 4 × 81/16 × 81 = 324/1296
  4. Add the two like fractions:
    16/1296 + 324/1296 = 16 + 324/1296 = 340/1296
  5. 340/1296 simplified gives 85/324
  6. So, 1/81 + 4/16 = 85/324

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