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Add 12/20 and 27/60

12/20 + 27/60 is 21/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 60 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    12/20 = 12 × 3/20 × 3 = 36/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    27/60 = 27 × 1/60 × 1 = 27/60
  4. Add the two fractions:
    36/60 + 27/60 = 36 + 27/60 = 63/60
  5. 63/60 simplified gives 21/20
  6. So, 12/20 + 27/60 = 21/20
    In mixed form: 11/20

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