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Subtract 63/28 from 54/56

1st number: 54/56, 2nd number: 2 7/28

54/56 - 63/28 is -9/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 28 is 56
  2. For the 1st fraction, since 56 × 1 = 56,
    54/56 = 54 × 1/56 × 1 = 54/56
  3. Likewise, for the 2nd fraction, since 28 × 2 = 56,
    63/28 = 63 × 2/28 × 2 = 126/56
  4. Subtract the two fractions:
    54/56 - 126/56 = 54 - 126/56 = -72/56
  5. After reducing the fraction, the answer is -9/7

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