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Add 30/18 and 12/27

1st number: 1 12/18, 2nd number: 12/27

30/18 + 12/27 is 19/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 27 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 18 × 3 = 54,
    30/18 = 30 × 3/18 × 3 = 90/54
  3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
    12/27 = 12 × 2/27 × 2 = 24/54
  4. Add the two like fractions:
    90/54 + 24/54 = 90 + 24/54 = 114/54
  5. 114/54 simplified gives 19/9
  6. So, 30/18 + 12/27 = 19/9
    In mixed form: 21/9

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