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Add 30/81 and 20/27

30/81 + 20/27 is 10/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 27 is 81

    Next, find the equivalent fraction of both fractional numbers with denominator 81
  2. For the 1st fraction, since 81 × 1 = 81,
    30/81 = 30 × 1/81 × 1 = 30/81
  3. Likewise, for the 2nd fraction, since 27 × 3 = 81,
    20/27 = 20 × 3/27 × 3 = 60/81
  4. Add the two like fractions:
    30/81 + 60/81 = 30 + 60/81 = 90/81
  5. 90/81 simplified gives 10/9
  6. So, 30/81 + 20/27 = 10/9
    In mixed form: 11/9

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