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Add 28/30 and 54/60

28/30 + 54/60 is 11/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 60 is 60
  2. For the 1st fraction, since 30 × 2 = 60,
    28/30 = 28 × 2/30 × 2 = 56/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    54/60 = 54 × 1/60 × 1 = 54/60
  4. Add the two fractions:
    56/60 + 54/60 = 56 + 54/60 = 110/60
  5. 110/60 simplified gives 11/6
  6. So, 28/30 + 54/60 = 11/6
    In mixed form: 15/6

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