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Add 72/6 and 9/12

1st number: 12 0/6, 2nd number: 9/12

72/6 + 9/12 is 51/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 12 is 12
  2. For the 1st fraction, since 6 × 2 = 12,
    72/6 = 72 × 2/6 × 2 = 144/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    9/12 = 9 × 1/12 × 1 = 9/12
  4. Add the two fractions:
    144/12 + 9/12 = 144 + 9/12 = 153/12
  5. After reducing the fraction, the answer is 51/4
  6. In mixed form: 123/4

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