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Subtract 63/72 from 12/75

12/75 - 63/72 is -143/200.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 72 is 1800

    Next, find the equivalent fraction of both fractional numbers with denominator 1800
  2. For the 1st fraction, since 75 × 24 = 1800,
    12/75 = 12 × 24/75 × 24 = 288/1800
  3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
    63/72 = 63 × 25/72 × 25 = 1575/1800
  4. Subtract the two like fractions:
    288/1800 - 1575/1800 = 288 - 1575/1800 = -1287/1800
  5. After reducing the fraction, the answer is -143/200

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