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Subtract 8/9 from 27/64

27/64 - 8/9 is -269/576.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 9 is 576

    Next, find the equivalent fraction of both fractional numbers with denominator 576
  2. For the 1st fraction, since 64 × 9 = 576,
    27/64 = 27 × 9/64 × 9 = 243/576
  3. Likewise, for the 2nd fraction, since 9 × 64 = 576,
    8/9 = 8 × 64/9 × 64 = 512/576
  4. Subtract the two like fractions:
    243/576 - 512/576 = 243 - 512/576 = -269/576

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