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Add 28/30 and 2/84

28/30 + 2/84 is 67/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 30 × 14 = 420,
    28/30 = 28 × 14/30 × 14 = 392/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    2/84 = 2 × 5/84 × 5 = 10/420
  4. Add the two like fractions:
    392/420 + 10/420 = 392 + 10/420 = 402/420
  5. 402/420 simplified gives 67/70
  6. So, 28/30 + 2/84 = 67/70

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