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Add 3/42 and 12/14

3/42 + 12/14 is 13/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 14 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 42 × 1 = 42,
    3/42 = 3 × 1/42 × 1 = 3/42
  3. Likewise, for the 2nd fraction, since 14 × 3 = 42,
    12/14 = 12 × 3/14 × 3 = 36/42
  4. Add the two like fractions:
    3/42 + 36/42 = 3 + 36/42 = 39/42
  5. 39/42 simplified gives 13/14
  6. So, 3/42 + 12/14 = 13/14

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