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Add 2/6 and 9/21

2/6 + 9/21 is 16/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 6 × 7 = 42,
    2/6 = 2 × 7/6 × 7 = 14/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    9/21 = 9 × 2/21 × 2 = 18/42
  4. Add the two like fractions:
    14/42 + 18/42 = 14 + 18/42 = 32/42
  5. 32/42 simplified gives 16/21
  6. So, 2/6 + 9/21 = 16/21

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