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Add 18/12 and 3/42

1st number: 1 6/12, 2nd number: 3/42

18/12 + 3/42 is 11/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 42 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    18/12 = 18 × 7/12 × 7 = 126/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    3/42 = 3 × 2/42 × 2 = 6/84
  4. Add the two like fractions:
    126/84 + 6/84 = 126 + 6/84 = 132/84
  5. 132/84 simplified gives 11/7
  6. So, 18/12 + 3/42 = 11/7
    In mixed form: 14/7

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