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Subtract 4/64 from 1/54

1/54 - 4/64 is -19/432.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 64 is 1728

    Next, find the equivalent fraction of both fractional numbers with denominator 1728
  2. For the 1st fraction, since 54 × 32 = 1728,
    1/54 = 1 × 32/54 × 32 = 32/1728
  3. Likewise, for the 2nd fraction, since 64 × 27 = 1728,
    4/64 = 4 × 27/64 × 27 = 108/1728
  4. Subtract the two like fractions:
    32/1728 - 108/1728 = 32 - 108/1728 = -76/1728
  5. After reducing the fraction, the answer is -19/432

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