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Add 70/84 and 56/81

70/84 + 56/81 is 247/162.

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,
    70/84 = 70 × 27/84 × 27 = 1890/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    56/81 = 56 × 28/81 × 28 = 1568/2268
  4. Add the two like fractions:
    1890/2268 + 1568/2268 = 1890 + 1568/2268 = 3458/2268
  5. 3458/2268 simplified gives 247/162
  6. So, 70/84 + 56/81 = 247/162
    In mixed form: 185/162

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