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Add 12/20 and 18/16

1st number: 12/20, 2nd number: 1 2/16

12/20 + 18/16 is 69/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 16 is 80
  2. For the 1st fraction, since 20 × 4 = 80,
    12/20 = 12 × 4/20 × 4 = 48/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    18/16 = 18 × 5/16 × 5 = 90/80
  4. Add the two fractions:
    48/80 + 90/80 = 48 + 90/80 = 138/80
  5. After reducing the fraction, the answer is 69/40
  6. In mixed form: 129/40

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