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Subtract 12/64 from 3/45

3/45 - 12/64 is -29/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 64 is 2880

    Next, find the equivalent fraction of both fractional numbers with denominator 2880
  2. For the 1st fraction, since 45 × 64 = 2880,
    3/45 = 3 × 64/45 × 64 = 192/2880
  3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
    12/64 = 12 × 45/64 × 45 = 540/2880
  4. Subtract the two like fractions:
    192/2880 - 540/2880 = 192 - 540/2880 = -348/2880
  5. After reducing the fraction, the answer is -29/240

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