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Add 1/2 and 4/81

1/2 + 4/81 is 89/162.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 81 is 162
  2. For the 1st fraction, since 2 × 81 = 162,
    1/2 = 1 × 81/2 × 81 = 81/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    4/81 = 4 × 2/81 × 2 = 8/162
  4. Add the two fractions:
    81/162 + 8/162 = 81 + 8/162 = 89/162

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