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Add 56/84 and 63/81

56/84 + 63/81 is 13/9.

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,
    56/84 = 56 × 27/84 × 27 = 1512/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    63/81 = 63 × 28/81 × 28 = 1764/2268
  4. Add the two like fractions:
    1512/2268 + 1764/2268 = 1512 + 1764/2268 = 3276/2268
  5. 3276/2268 simplified gives 13/9
  6. So, 56/84 + 63/81 = 13/9
    In mixed form: 14/9

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