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Add 20/80 and 50/84

20/80 + 50/84 is 71/84.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 80 × 21 = 1680,
    20/80 = 20 × 21/80 × 21 = 420/1680
  3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
    50/84 = 50 × 20/84 × 20 = 1000/1680
  4. Add the two like fractions:
    420/1680 + 1000/1680 = 420 + 1000/1680 = 1420/1680
  5. 1420/1680 simplified gives 71/84
  6. So, 20/80 + 50/84 = 71/84

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