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Add 3/7 and 1/9

3/7 + 1/9 is 34/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63
  2. For the 1st fraction, since 7 × 9 = 63,
    3/7 = 3 × 9/7 × 9 = 27/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    1/9 = 1 × 7/9 × 7 = 7/63
  4. Add the two fractions:
    27/63 + 7/63 = 27 + 7/63 = 34/63

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