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Add 18/28 and 10/81

18/28 + 10/81 is 869/1134.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 81 is 2268

    Next, find the equivalent fraction of both fractional numbers with denominator 2268
  2. For the 1st fraction, since 28 × 81 = 2268,
    18/28 = 18 × 81/28 × 81 = 1458/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    10/81 = 10 × 28/81 × 28 = 280/2268
  4. Add the two like fractions:
    1458/2268 + 280/2268 = 1458 + 280/2268 = 1738/2268
  5. 1738/2268 simplified gives 869/1134
  6. So, 18/28 + 10/81 = 869/1134

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