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Add 81/18 and 18/81

1st number: 4 9/18, 2nd number: 18/81

81/18 + 18/81 is 85/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 81 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 18 × 9 = 162,
    81/18 = 81 × 9/18 × 9 = 729/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    18/81 = 18 × 2/81 × 2 = 36/162
  4. Add the two like fractions:
    729/162 + 36/162 = 729 + 36/162 = 765/162
  5. 765/162 simplified gives 85/18
  6. So, 81/18 + 18/81 = 85/18
    In mixed form: 413/18

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