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Add 28/56 and 9/60

28/56 + 9/60 is 13/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 60 is 840
  2. For the 1st fraction, since 56 × 15 = 840,
    28/56 = 28 × 15/56 × 15 = 420/840
  3. Likewise, for the 2nd fraction, since 60 × 14 = 840,
    9/60 = 9 × 14/60 × 14 = 126/840
  4. Add the two fractions:
    420/840 + 126/840 = 420 + 126/840 = 546/840
  5. 546/840 simplified gives 13/20
  6. So, 28/56 + 9/60 = 13/20

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