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Add 27/18 and 42/9

1st number: 1 9/18, 2nd number: 4 6/9

27/18 + 42/9 is 37/6.

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,
    42/9 = 42 × 2/9 × 2 = 84/18
  4. Add the two fractions:
    27/18 + 84/18 = 27 + 84/18 = 111/18
  5. 111/18 simplified gives 37/6
  6. So, 27/18 + 42/9 = 37/6
    In mixed form: 61/6

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