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Add 27/7 and 4/9

1st number: 3 6/7, 2nd number: 4/9

27/7 + 4/9 is 271/63.

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,
    27/7 = 27 × 9/7 × 9 = 243/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    4/9 = 4 × 7/9 × 7 = 28/63
  4. Add the two fractions:
    243/63 + 28/63 = 243 + 28/63 = 271/63
  5. In mixed form: 419/63

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