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Add 28/42 and 9/60

28/42 + 9/60 is 49/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 60 is 420
  2. For the 1st fraction, since 42 × 10 = 420,
    28/42 = 28 × 10/42 × 10 = 280/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    9/60 = 9 × 7/60 × 7 = 63/420
  4. Add the two fractions:
    280/420 + 63/420 = 280 + 63/420 = 343/420
  5. After reducing the fraction, the answer is 49/60

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