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Add 18/20 and 1/12

18/20 + 1/12 is 59/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 12 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    18/20 = 18 × 3/20 × 3 = 54/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    1/12 = 1 × 5/12 × 5 = 5/60
  4. Add the two fractions:
    54/60 + 5/60 = 54 + 5/60 = 59/60

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