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Add 81/9 and 12/18

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

81/9 + 12/18 is 29/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 18 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 9 × 2 = 18,
    81/9 = 81 × 2/9 × 2 = 162/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    12/18 = 12 × 1/18 × 1 = 12/18
  4. Add the two like fractions:
    162/18 + 12/18 = 162 + 12/18 = 174/18
  5. 174/18 simplified gives 29/3
  6. So, 81/9 + 12/18 = 29/3
    In mixed form: 92/3

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