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Add 15/54 and 18/56

15/54 + 18/56 is 151/252.

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,
    15/54 = 15 × 28/54 × 28 = 420/1512
  3. Likewise, for the 2nd fraction, since 56 × 27 = 1512,
    18/56 = 18 × 27/56 × 27 = 486/1512
  4. Add the two like fractions:
    420/1512 + 486/1512 = 420 + 486/1512 = 906/1512
  5. 906/1512 simplified gives 151/252
  6. So, 15/54 + 18/56 = 151/252

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