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Add 54/84 and 70/81

54/84 + 70/81 is 1709/1134.

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,
    54/84 = 54 × 27/84 × 27 = 1458/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    70/81 = 70 × 28/81 × 28 = 1960/2268
  4. Add the two like fractions:
    1458/2268 + 1960/2268 = 1458 + 1960/2268 = 3418/2268
  5. 3418/2268 simplified gives 1709/1134
  6. So, 54/84 + 70/81 = 1709/1134
    In mixed form: 1575/1134

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