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Add 5/15 and 4/56

5/15 + 4/56 is 17/42.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 15 × 56 = 840,
    5/15 = 5 × 56/15 × 56 = 280/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    4/56 = 4 × 15/56 × 15 = 60/840
  4. Add the two like fractions:
    280/840 + 60/840 = 280 + 60/840 = 340/840
  5. 340/840 simplified gives 17/42
  6. So, 5/15 + 4/56 = 17/42

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