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Add 27/54 and 20/84

27/54 + 20/84 is 31/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 84 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 54 × 14 = 756,
    27/54 = 27 × 14/54 × 14 = 378/756
  3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
    20/84 = 20 × 9/84 × 9 = 180/756
  4. Add the two like fractions:
    378/756 + 180/756 = 378 + 180/756 = 558/756
  5. 558/756 simplified gives 31/42
  6. So, 27/54 + 20/84 = 31/42

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