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Add 12/20 and 54/90

12/20 + 54/90 is 6/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    12/20 = 12 × 9/20 × 9 = 108/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    54/90 = 54 × 2/90 × 2 = 108/180
  4. Add the two like fractions:
    108/180 + 108/180 = 108 + 108/180 = 216/180
  5. 216/180 simplified gives 6/5
  6. So, 12/20 + 54/90 = 6/5
    In mixed form: 11/5

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