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Subtract 54/28 from 90/56

1st number: 1 34/56, 2nd number: 1 26/28

90/56 - 54/28 is -9/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 28 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 56 × 1 = 56,
    90/56 = 90 × 1/56 × 1 = 90/56
  3. Likewise, for the 2nd fraction, since 28 × 2 = 56,
    54/28 = 54 × 2/28 × 2 = 108/56
  4. Subtract the two like fractions:
    90/56 - 108/56 = 90 - 108/56 = -18/56
  5. After reducing the fraction, the answer is -9/28

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