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Add 28/9 and 84/15

1st number: 3 1/9, 2nd number: 5 9/15

28/9 + 84/15 is 392/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 15 is 45
  2. For the 1st fraction, since 9 × 5 = 45,
    28/9 = 28 × 5/9 × 5 = 140/45
  3. Likewise, for the 2nd fraction, since 15 × 3 = 45,
    84/15 = 84 × 3/15 × 3 = 252/45
  4. Add the two fractions:
    140/45 + 252/45 = 140 + 252/45 = 392/45
  5. In mixed form: 832/45

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