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Add 81/18 and 18/9

1st number: 4 9/18, 2nd number: 2 0/9

81/18 + 18/9 is 13/2.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 18 × 1 = 18,
    81/18 = 81 × 1/18 × 1 = 81/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    18/9 = 18 × 2/9 × 2 = 36/18
  4. Add the two like fractions:
    81/18 + 36/18 = 81 + 36/18 = 117/18
  5. 117/18 simplified gives 13/2
  6. So, 81/18 + 18/9 = 13/2
    In mixed form: 61/2

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