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Add 15/9 and 12/27

1st number: 1 6/9, 2nd number: 12/27

15/9 + 12/27 is 19/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 27 is 27

    Next, find the equivalent fraction of both fractional numbers with denominator 27
  2. For the 1st fraction, since 9 × 3 = 27,
    15/9 = 15 × 3/9 × 3 = 45/27
  3. Likewise, for the 2nd fraction, since 27 × 1 = 27,
    12/27 = 12 × 1/27 × 1 = 12/27
  4. Add the two like fractions:
    45/27 + 12/27 = 45 + 12/27 = 57/27
  5. 57/27 simplified gives 19/9
  6. So, 15/9 + 12/27 = 19/9
    In mixed form: 21/9

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