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Subtract 54/64 from 4/5

4/5 - 54/64 is -7/160.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 5 × 64 = 320,
    4/5 = 4 × 64/5 × 64 = 256/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    54/64 = 54 × 5/64 × 5 = 270/320
  4. Subtract the two like fractions:
    256/320 - 270/320 = 256 - 270/320 = -14/320
  5. After reducing the fraction, the answer is -7/160

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