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Add 4/16 and 36/81

4/16 + 36/81 is 25/36.

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,
    4/16 = 4 × 81/16 × 81 = 324/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    36/81 = 36 × 16/81 × 16 = 576/1296
  4. Add the two like fractions:
    324/1296 + 576/1296 = 324 + 576/1296 = 900/1296
  5. 900/1296 simplified gives 25/36
  6. So, 4/16 + 36/81 = 25/36

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