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Add 27/54 and 20/56

27/54 + 20/56 is 6/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 56 is 1512

    Next, find the equivalent fraction of both fractional numbers with denominator 1512
  2. For the 1st fraction, since 54 × 28 = 1512,
    27/54 = 27 × 28/54 × 28 = 756/1512
  3. Likewise, for the 2nd fraction, since 56 × 27 = 1512,
    20/56 = 20 × 27/56 × 27 = 540/1512
  4. Add the two like fractions:
    756/1512 + 540/1512 = 756 + 540/1512 = 1296/1512
  5. 1296/1512 simplified gives 6/7
  6. So, 27/54 + 20/56 = 6/7

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