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Add 18/9 and 81/6

1st number: 2 0/9, 2nd number: 13 3/6

18/9 + 81/6 is 31/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 6 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 9 × 2 = 18,
    18/9 = 18 × 2/9 × 2 = 36/18
  3. Likewise, for the 2nd fraction, since 6 × 3 = 18,
    81/6 = 81 × 3/6 × 3 = 243/18
  4. Add the two like fractions:
    36/18 + 243/18 = 36 + 243/18 = 279/18
  5. 279/18 simplified gives 31/2
  6. So, 18/9 + 81/6 = 31/2
    In mixed form: 151/2

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