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Add 28/60 and 3/9

28/60 + 3/9 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 9 is 180
  2. For the 1st fraction, since 60 × 3 = 180,
    28/60 = 28 × 3/60 × 3 = 84/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    3/9 = 3 × 20/9 × 20 = 60/180
  4. Add the two fractions:
    84/180 + 60/180 = 84 + 60/180 = 144/180
  5. 144/180 simplified gives 4/5
  6. So, 28/60 + 3/9 = 4/5

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