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Add 9/20 and 27/84

9/20 + 27/84 is 27/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    9/20 = 9 × 21/20 × 21 = 189/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    27/84 = 27 × 5/84 × 5 = 135/420
  4. Add the two like fractions:
    189/420 + 135/420 = 189 + 135/420 = 324/420
  5. 324/420 simplified gives 27/35
  6. So, 9/20 + 27/84 = 27/35

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