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Subtract 63/42 from 9/56

1st number: 9/56, 2nd number: 1 21/42

9/56 - 63/42 is -75/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 42 is 168
  2. For the 1st fraction, since 56 × 3 = 168,
    9/56 = 9 × 3/56 × 3 = 27/168
  3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
    63/42 = 63 × 4/42 × 4 = 252/168
  4. Subtract the two fractions:
    27/168 - 252/168 = 27 - 252/168 = -225/168
  5. After reducing the fraction, the answer is -75/56

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