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Add 1/4 and 3/9

1/4 + 3/9 is 7/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 9 is 36
  2. For the 1st fraction, since 4 × 9 = 36,
    1/4 = 1 × 9/4 × 9 = 9/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    3/9 = 3 × 4/9 × 4 = 12/36
  4. Add the two fractions:
    9/36 + 12/36 = 9 + 12/36 = 21/36
  5. After reducing the fraction, the answer is 7/12

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