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Add 27/63 and 6/9

27/63 + 6/9 is 23/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 9 is 63
  2. For the 1st fraction, since 63 × 1 = 63,
    27/63 = 27 × 1/63 × 1 = 27/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    6/9 = 6 × 7/9 × 7 = 42/63
  4. Add the two fractions:
    27/63 + 42/63 = 27 + 42/63 = 69/63
  5. After reducing the fraction, the answer is 23/21
  6. In mixed form: 12/21

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