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Add 15/42 and 3/56

15/42 + 3/56 is 23/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 56 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    15/42 = 15 × 4/42 × 4 = 60/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    3/56 = 3 × 3/56 × 3 = 9/168
  4. Add the two fractions:
    60/168 + 9/168 = 60 + 9/168 = 69/168
  5. 69/168 simplified gives 23/56
  6. So, 15/42 + 3/56 = 23/56

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