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Add 24/42 and 9/81

24/42 + 9/81 is 43/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 81 is 1134
  2. For the 1st fraction, since 42 × 27 = 1134,
    24/42 = 24 × 27/42 × 27 = 648/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    9/81 = 9 × 14/81 × 14 = 126/1134
  4. Add the two fractions:
    648/1134 + 126/1134 = 648 + 126/1134 = 774/1134
  5. After reducing the fraction, the answer is 43/63

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