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Add 28/30 and 45/84

28/30 + 45/84 is 617/420.

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,
    45/84 = 45 × 5/84 × 5 = 225/420
  4. Add the two like fractions:
    392/420 + 225/420 = 392 + 225/420 = 617/420
  5. So, 28/30 + 45/84 = 617/420
    In mixed form: 1197/420

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