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Add 3/81 and 28/30

3/81 + 28/30 is 131/135.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 81 × 10 = 810,
    3/81 = 3 × 10/81 × 10 = 30/810
  3. Likewise, for the 2nd fraction, since 30 × 27 = 810,
    28/30 = 28 × 27/30 × 27 = 756/810
  4. Add the two like fractions:
    30/810 + 756/810 = 30 + 756/810 = 786/810
  5. 786/810 simplified gives 131/135
  6. So, 3/81 + 28/30 = 131/135

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