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Add 18/12 and 9/7

1st number: 1 6/12, 2nd number: 1 2/7

18/12 + 9/7 is 39/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 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 7 × 12 = 84,
    9/7 = 9 × 12/7 × 12 = 108/84
  4. Add the two like fractions:
    126/84 + 108/84 = 126 + 108/84 = 234/84
  5. 234/84 simplified gives 39/14
  6. So, 18/12 + 9/7 = 39/14
    In mixed form: 211/14

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