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Add 14/20 and 9/84

14/20 + 9/84 is 113/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420
  2. For the 1st fraction, since 20 × 21 = 420,
    14/20 = 14 × 21/20 × 21 = 294/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    9/84 = 9 × 5/84 × 5 = 45/420
  4. Add the two fractions:
    294/420 + 45/420 = 294 + 45/420 = 339/420
  5. After reducing the fraction, the answer is 113/140

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