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Add 18/3 and 30/81

1st number: 6 0/3, 2nd number: 30/81

18/3 + 30/81 is 172/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 81 is 81

    Next, find the equivalent fraction of both fractional numbers with denominator 81
  2. For the 1st fraction, since 3 × 27 = 81,
    18/3 = 18 × 27/3 × 27 = 486/81
  3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
    30/81 = 30 × 1/81 × 1 = 30/81
  4. Add the two like fractions:
    486/81 + 30/81 = 486 + 30/81 = 516/81
  5. 516/81 simplified gives 172/27
  6. So, 18/3 + 30/81 = 172/27
    In mixed form: 610/27

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