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Add 4/81 and 9/60

4/81 + 9/60 is 323/1620.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 60 is 1620
  2. For the 1st fraction, since 81 × 20 = 1620,
    4/81 = 4 × 20/81 × 20 = 80/1620
  3. Likewise, for the 2nd fraction, since 60 × 27 = 1620,
    9/60 = 9 × 27/60 × 27 = 243/1620
  4. Add the two fractions:
    80/1620 + 243/1620 = 80 + 243/1620 = 323/1620

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