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Subtract 1/64 from 7/27

7/27 - 1/64 is 421/1728.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 64 is 1728

    Next, find the equivalent fraction of both fractional numbers with denominator 1728
  2. For the 1st fraction, since 27 × 64 = 1728,
    7/27 = 7 × 64/27 × 64 = 448/1728
  3. Likewise, for the 2nd fraction, since 64 × 27 = 1728,
    1/64 = 1 × 27/64 × 27 = 27/1728
  4. Subtract the two like fractions:
    448/1728 - 27/1728 = 448 - 27/1728 = 421/1728

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