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Add 27/18 and 18/9

1st number: 1 9/18, 2nd number: 2 0/9

27/18 + 18/9 is 7/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 9 is 18
  2. For the 1st fraction, since 18 × 1 = 18,
    27/18 = 27 × 1/18 × 1 = 27/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    18/9 = 18 × 2/9 × 2 = 36/18
  4. Add the two fractions:
    27/18 + 36/18 = 27 + 36/18 = 63/18
  5. 63/18 simplified gives 7/2
  6. So, 27/18 + 18/9 = 7/2
    In mixed form: 31/2

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