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Add 12/18 and 28/42

12/18 + 28/42 is 4/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 42 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    12/18 = 12 × 7/18 × 7 = 84/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    28/42 = 28 × 3/42 × 3 = 84/126
  4. Add the two like fractions:
    84/126 + 84/126 = 84 + 84/126 = 168/126
  5. 168/126 simplified gives 4/3
  6. So, 12/18 + 28/42 = 4/3
    In mixed form: 11/3

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