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Add 3/12 and 18/27

3/12 + 18/27 is 11/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 27 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 12 × 9 = 108,
    3/12 = 3 × 9/12 × 9 = 27/108
  3. Likewise, for the 2nd fraction, since 27 × 4 = 108,
    18/27 = 18 × 4/27 × 4 = 72/108
  4. Add the two like fractions:
    27/108 + 72/108 = 27 + 72/108 = 99/108
  5. 99/108 simplified gives 11/12
  6. So, 3/12 + 18/27 = 11/12

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