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Add 27/90 and 12/18

27/90 + 12/18 is 29/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 18 is 90
  2. For the 1st fraction, since 90 × 1 = 90,
    27/90 = 27 × 1/90 × 1 = 27/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    12/18 = 12 × 5/18 × 5 = 60/90
  4. Add the two fractions:
    27/90 + 60/90 = 27 + 60/90 = 87/90
  5. After reducing the fraction, the answer is 29/30

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