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Subtract 30/63 from 64/75

64/75 - 30/63 is 66/175.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 63 is 1575

    Next, find the equivalent fraction of both fractional numbers with denominator 1575
  2. For the 1st fraction, since 75 × 21 = 1575,
    64/75 = 64 × 21/75 × 21 = 1344/1575
  3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
    30/63 = 30 × 25/63 × 25 = 750/1575
  4. Subtract the two like fractions:
    1344/1575 - 750/1575 = 1344 - 750/1575 = 594/1575
  5. After reducing the fraction, the answer is 66/175

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