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Add 84/3 and 12/15

1st number: 28 0/3, 2nd number: 12/15

84/3 + 12/15 is 144/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 15 is 15
  2. For the 1st fraction, since 3 × 5 = 15,
    84/3 = 84 × 5/3 × 5 = 420/15
  3. Likewise, for the 2nd fraction, since 15 × 1 = 15,
    12/15 = 12 × 1/15 × 1 = 12/15
  4. Add the two fractions:
    420/15 + 12/15 = 420 + 12/15 = 432/15
  5. 432/15 simplified gives 144/5
  6. So, 84/3 + 12/15 = 144/5
    In mixed form: 284/5

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