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Add 18/84 and 10/80

18/84 + 10/80 is 19/56.

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,
    18/84 = 18 × 20/84 × 20 = 360/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    10/80 = 10 × 21/80 × 21 = 210/1680
  4. Add the two like fractions:
    360/1680 + 210/1680 = 360 + 210/1680 = 570/1680
  5. 570/1680 simplified gives 19/56
  6. So, 18/84 + 10/80 = 19/56

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