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Add 27/84 and 5/15

27/84 + 5/15 is 55/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    27/84 = 27 × 5/84 × 5 = 135/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    5/15 = 5 × 28/15 × 28 = 140/420
  4. Add the two like fractions:
    135/420 + 140/420 = 135 + 140/420 = 275/420
  5. 275/420 simplified gives 55/84
  6. So, 27/84 + 5/15 = 55/84

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