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Add 45/84 and 80/81

45/84 + 80/81 is 3455/2268.

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,
    45/84 = 45 × 27/84 × 27 = 1215/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    80/81 = 80 × 28/81 × 28 = 2240/2268
  4. Add the two like fractions:
    1215/2268 + 2240/2268 = 1215 + 2240/2268 = 3455/2268
  5. So, 45/84 + 80/81 = 3455/2268
    In mixed form: 11187/2268

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