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Add 28/30 and 14/81

28/30 + 14/81 is 448/405.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 81 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 30 × 27 = 810,
    28/30 = 28 × 27/30 × 27 = 756/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    14/81 = 14 × 10/81 × 10 = 140/810
  4. Add the two like fractions:
    756/810 + 140/810 = 756 + 140/810 = 896/810
  5. 896/810 simplified gives 448/405
  6. So, 28/30 + 14/81 = 448/405
    In mixed form: 143/405

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