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Add 56/84 and 12/30

56/84 + 12/30 is 16/15.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    56/84 = 56 × 5/84 × 5 = 280/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    12/30 = 12 × 14/30 × 14 = 168/420
  4. Add the two like fractions:
    280/420 + 168/420 = 280 + 168/420 = 448/420
  5. 448/420 simplified gives 16/15
  6. So, 56/84 + 12/30 = 16/15
    In mixed form: 11/15

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