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Add 20/54 and 8/12

20/54 + 8/12 is 28/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 12 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 54 × 2 = 108,
    20/54 = 20 × 2/54 × 2 = 40/108
  3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
    8/12 = 8 × 9/12 × 9 = 72/108
  4. Add the two like fractions:
    40/108 + 72/108 = 40 + 72/108 = 112/108
  5. 112/108 simplified gives 28/27
  6. So, 20/54 + 8/12 = 28/27
    In mixed form: 11/27

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