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Add 72/12 and 9/18

1st number: 6 0/12, 2nd number: 9/18

72/12 + 9/18 is 13/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    72/12 = 72 × 3/12 × 3 = 216/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    9/18 = 9 × 2/18 × 2 = 18/36
  4. Add the two like fractions:
    216/36 + 18/36 = 216 + 18/36 = 234/36
  5. 234/36 simplified gives 13/2
  6. So, 72/12 + 9/18 = 13/2
    In mixed form: 61/2

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