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Subtract 75/14 from 63/21

1st number: 3 0/21, 2nd number: 5 5/14

63/21 - 75/14 is -33/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 14 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    63/21 = 63 × 2/21 × 2 = 126/42
  3. Likewise, for the 2nd fraction, since 14 × 3 = 42,
    75/14 = 75 × 3/14 × 3 = 225/42
  4. Subtract the two like fractions:
    126/42 - 225/42 = 126 - 225/42 = -99/42
  5. After reducing the fraction, the answer is -33/14

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