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Add 8/84 and 2/21

8/84 + 2/21 is 4/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 21 is 84
  2. For the 1st fraction, since 84 × 1 = 84,
    8/84 = 8 × 1/84 × 1 = 8/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    2/21 = 2 × 4/21 × 4 = 8/84
  4. Add the two fractions:
    8/84 + 8/84 = 8 + 8/84 = 16/84
  5. After reducing the fraction, the answer is 4/21

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