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Add 6/21 and 6/27

6/21 + 6/27 is 32/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 27 is 189
  2. For the 1st fraction, since 21 × 9 = 189,
    6/21 = 6 × 9/21 × 9 = 54/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    6/27 = 6 × 7/27 × 7 = 42/189
  4. Add the two fractions:
    54/189 + 42/189 = 54 + 42/189 = 96/189
  5. After reducing the fraction, the answer is 32/63

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