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Add 70/3 and 45/12

1st number: 23 1/3, 2nd number: 3 9/12

70/3 + 45/12 is 325/12.

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,
    70/3 = 70 × 4/3 × 4 = 280/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    45/12 = 45 × 1/12 × 1 = 45/12
  4. Add the two fractions:
    280/12 + 45/12 = 280 + 45/12 = 325/12
  5. In mixed form: 271/12

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