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Add 12/20 and 36/80

12/20 + 36/80 is 21/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    36/80 = 36 × 1/80 × 1 = 36/80
  4. Add the two like fractions:
    48/80 + 36/80 = 48 + 36/80 = 84/80
  5. 84/80 simplified gives 21/20
  6. So, 12/20 + 36/80 = 21/20
    In mixed form: 11/20

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