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Add 18/81 and 5/84

18/81 + 5/84 is 71/252.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2268
  2. For the 1st fraction, since 81 × 28 = 2268,
    18/81 = 18 × 28/81 × 28 = 504/2268
  3. Likewise, for the 2nd fraction, since 84 × 27 = 2268,
    5/84 = 5 × 27/84 × 27 = 135/2268
  4. Add the two like fractions:
    504/2268 + 135/2268 = 504 + 135/2268 = 639/2268
  5. 639/2268 simplified gives 71/252
  6. So, 18/81 + 5/84 = 71/252

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