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Add 5/9 and 4/81

5/9 + 4/81 is 49/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 81 is 81

    Next, find the equivalent fraction of both fractional numbers with denominator 81
  2. For the 1st fraction, since 9 × 9 = 81,
    5/9 = 5 × 9/9 × 9 = 45/81
  3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
    4/81 = 4 × 1/81 × 1 = 4/81
  4. Add the two like fractions:
    45/81 + 4/81 = 45 + 4/81 = 49/81
  5. So, 5/9 + 4/81 = 49/81

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