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Add 20/54 and 18/56

20/54 + 18/56 is 523/756.

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,
    20/54 = 20 × 28/54 × 28 = 560/1512
  3. Likewise, for the 2nd fraction, since 56 × 27 = 1512,
    18/56 = 18 × 27/56 × 27 = 486/1512
  4. Add the two like fractions:
    560/1512 + 486/1512 = 560 + 486/1512 = 1046/1512
  5. 1046/1512 simplified gives 523/756
  6. So, 20/54 + 18/56 = 523/756

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