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Add 54/84 and 50/80

54/84 + 50/80 is 71/56.

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,
    54/84 = 54 × 20/84 × 20 = 1080/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    50/80 = 50 × 21/80 × 21 = 1050/1680
  4. Add the two like fractions:
    1080/1680 + 1050/1680 = 1080 + 1050/1680 = 2130/1680
  5. 2130/1680 simplified gives 71/56
  6. So, 54/84 + 50/80 = 71/56
    In mixed form: 115/56

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