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Add 28/84 and 84/81

1st number: 28/84, 2nd number: 1 3/81

28/84 + 84/81 is 37/27.

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,
    28/84 = 28 × 27/84 × 27 = 756/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    84/81 = 84 × 28/81 × 28 = 2352/2268
  4. Add the two like fractions:
    756/2268 + 2352/2268 = 756 + 2352/2268 = 3108/2268
  5. 3108/2268 simplified gives 37/27
  6. So, 28/84 + 84/81 = 37/27
    In mixed form: 110/27

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