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Add 16/4 and 42/12

1st number: 4 0/4, 2nd number: 3 6/12

16/4 + 42/12 is 15/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 12 is 12
  2. For the 1st fraction, since 4 × 3 = 12,
    16/4 = 16 × 3/4 × 3 = 48/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    42/12 = 42 × 1/12 × 1 = 42/12
  4. Add the two fractions:
    48/12 + 42/12 = 48 + 42/12 = 90/12
  5. After reducing the fraction, the answer is 15/2
  6. In mixed form: 71/2

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