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Add 45/12 and 16/7

1st number: 3 9/12, 2nd number: 2 2/7

45/12 + 16/7 is 169/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    45/12 = 45 × 7/12 × 7 = 315/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    16/7 = 16 × 12/7 × 12 = 192/84
  4. Add the two fractions:
    315/84 + 192/84 = 315 + 192/84 = 507/84
  5. After reducing the fraction, the answer is 169/28
  6. In mixed form: 61/28

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