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Add 27/84 and 70/80

27/84 + 70/80 is 67/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 80 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 84 × 20 = 1680,
    27/84 = 27 × 20/84 × 20 = 540/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    70/80 = 70 × 21/80 × 21 = 1470/1680
  4. Add the two like fractions:
    540/1680 + 1470/1680 = 540 + 1470/1680 = 2010/1680
  5. 2010/1680 simplified gives 67/56
  6. So, 27/84 + 70/80 = 67/56
    In mixed form: 111/56

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