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Add 28/48 and 15/18

28/48 + 15/18 is 17/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 18 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 48 × 3 = 144,
    28/48 = 28 × 3/48 × 3 = 84/144
  3. Likewise, for the 2nd fraction, since 18 × 8 = 144,
    15/18 = 15 × 8/18 × 8 = 120/144
  4. Add the two like fractions:
    84/144 + 120/144 = 84 + 120/144 = 204/144
  5. 204/144 simplified gives 17/12
  6. So, 28/48 + 15/18 = 17/12
    In mixed form: 15/12

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