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Add 12/45 and 28/60

12/45 + 28/60 is 11/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 60 is 180
  2. For the 1st fraction, since 45 × 4 = 180,
    12/45 = 12 × 4/45 × 4 = 48/180
  3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
    28/60 = 28 × 3/60 × 3 = 84/180
  4. Add the two fractions:
    48/180 + 84/180 = 48 + 84/180 = 132/180
  5. 132/180 simplified gives 11/15
  6. So, 12/45 + 28/60 = 11/15

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