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Add 28/15 and 4/5

1st number: 1 13/15, 2nd number: 4/5

28/15 + 4/5 is 8/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 5 is 15
  2. For the 1st fraction, since 15 × 1 = 15,
    28/15 = 28 × 1/15 × 1 = 28/15
  3. Likewise, for the 2nd fraction, since 5 × 3 = 15,
    4/5 = 4 × 3/5 × 3 = 12/15
  4. Add the two fractions:
    28/15 + 12/15 = 28 + 12/15 = 40/15
  5. After reducing the fraction, the answer is 8/3
  6. In mixed form: 22/3

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