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Add 28/3 and 15/12

1st number: 9 1/3, 2nd number: 1 3/12

28/3 + 15/12 is 127/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 12 is 12
  2. For the 1st fraction, since 3 × 4 = 12,
    28/3 = 28 × 4/3 × 4 = 112/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    15/12 = 15 × 1/12 × 1 = 15/12
  4. Add the two fractions:
    112/12 + 15/12 = 112 + 15/12 = 127/12
  5. In mixed form: 107/12

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