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Add 10/84 and 18/81

10/84 + 18/81 is 43/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 81 is 2268
  2. For the 1st fraction, since 84 × 27 = 2268,
    10/84 = 10 × 27/84 × 27 = 270/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    18/81 = 18 × 28/81 × 28 = 504/2268
  4. Add the two fractions:
    270/2268 + 504/2268 = 270 + 504/2268 = 774/2268
  5. 774/2268 simplified gives 43/126
  6. So, 10/84 + 18/81 = 43/126

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