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Add 4/84 and 3/9

4/84 + 3/9 is 8/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 9 is 252
  2. For the 1st fraction, since 84 × 3 = 252,
    4/84 = 4 × 3/84 × 3 = 12/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    3/9 = 3 × 28/9 × 28 = 84/252
  4. Add the two fractions:
    12/252 + 84/252 = 12 + 84/252 = 96/252
  5. 96/252 simplified gives 8/21
  6. So, 4/84 + 3/9 = 8/21

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