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Add 28/84 and 9/60

28/84 + 9/60 is 29/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 60 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    28/84 = 28 × 5/84 × 5 = 140/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    9/60 = 9 × 7/60 × 7 = 63/420
  4. Add the two fractions:
    140/420 + 63/420 = 140 + 63/420 = 203/420
  5. After reducing the fraction, the answer is 29/60

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