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Add 2/72 and 1/81

2/72 + 1/81 is 13/324.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 81 is 648

    Next, find the equivalent fraction of both fractional numbers with denominator 648
  2. For the 1st fraction, since 72 × 9 = 648,
    2/72 = 2 × 9/72 × 9 = 18/648
  3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
    1/81 = 1 × 8/81 × 8 = 8/648
  4. Add the two like fractions:
    18/648 + 8/648 = 18 + 8/648 = 26/648
  5. 26/648 simplified gives 13/324
  6. So, 2/72 + 1/81 = 13/324

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