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Add 54/64 and 12/28

54/64 + 12/28 is 285/224.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 28 is 448

    Next, find the equivalent fraction of both fractional numbers with denominator 448
  2. For the 1st fraction, since 64 × 7 = 448,
    54/64 = 54 × 7/64 × 7 = 378/448
  3. Likewise, for the 2nd fraction, since 28 × 16 = 448,
    12/28 = 12 × 16/28 × 16 = 192/448
  4. Add the two like fractions:
    378/448 + 192/448 = 378 + 192/448 = 570/448
  5. 570/448 simplified gives 285/224
  6. So, 54/64 + 12/28 = 285/224
    In mixed form: 161/224

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