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Add 12/20 and 12/80

12/20 + 12/80 is 3/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 80 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 80 × 1 = 80,
    12/80 = 12 × 1/80 × 1 = 12/80
  4. Add the two fractions:
    48/80 + 12/80 = 48 + 12/80 = 60/80
  5. After reducing the fraction, the answer is 3/4

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