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Add 2/8 and 1/81

2/8 + 1/81 is 85/324.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 81 is 648
  2. For the 1st fraction, since 8 × 81 = 648,
    2/8 = 2 × 81/8 × 81 = 162/648
  3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
    1/81 = 1 × 8/81 × 8 = 8/648
  4. Add the two fractions:
    162/648 + 8/648 = 162 + 8/648 = 170/648
  5. After reducing the fraction, the answer is 85/324

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