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Add 56/84 and 12/15

56/84 + 12/15 is 22/15.

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,
    56/84 = 56 × 5/84 × 5 = 280/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    12/15 = 12 × 28/15 × 28 = 336/420
  4. Add the two like fractions:
    280/420 + 336/420 = 280 + 336/420 = 616/420
  5. 616/420 simplified gives 22/15
  6. So, 56/84 + 12/15 = 22/15
    In mixed form: 17/15

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