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Add 12/56 and 5/15

12/56 + 5/15 is 23/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 15 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 56 × 15 = 840,
    12/56 = 12 × 15/56 × 15 = 180/840
  3. Likewise, for the 2nd fraction, since 15 × 56 = 840,
    5/15 = 5 × 56/15 × 56 = 280/840
  4. Add the two like fractions:
    180/840 + 280/840 = 180 + 280/840 = 460/840
  5. 460/840 simplified gives 23/42
  6. So, 12/56 + 5/15 = 23/42

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