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Add 3/12 and 1/9

3/12 + 1/9 is 13/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 9 is 36
  2. For the 1st fraction, since 12 × 3 = 36,
    3/12 = 3 × 3/12 × 3 = 9/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    1/9 = 1 × 4/9 × 4 = 4/36
  4. Add the two fractions:
    9/36 + 4/36 = 9 + 4/36 = 13/36

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