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Subtract 63/45 from 12/75

1st number: 12/75, 2nd number: 1 18/45

12/75 - 63/45 is -31/25.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 45 is 225
  2. For the 1st fraction, since 75 × 3 = 225,
    12/75 = 12 × 3/75 × 3 = 36/225
  3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
    63/45 = 63 × 5/45 × 5 = 315/225
  4. Subtract the two fractions:
    36/225 - 315/225 = 36 - 315/225 = -279/225
  5. After reducing the fraction, the answer is -31/25

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