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Add 81/84 and 25/81

81/84 + 25/81 is 2887/2268.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 81 is 2268

    Next, find the equivalent fraction of both fractional numbers with denominator 2268
  2. For the 1st fraction, since 84 × 27 = 2268,
    81/84 = 81 × 27/84 × 27 = 2187/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    25/81 = 25 × 28/81 × 28 = 700/2268
  4. Add the two like fractions:
    2187/2268 + 700/2268 = 2187 + 700/2268 = 2887/2268
  5. So, 81/84 + 25/81 = 2887/2268
    In mixed form: 1619/2268

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