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Subtract 20/9 from 54/56

1st number: 54/56, 2nd number: 2 2/9

54/56 - 20/9 is -317/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 9 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    54/56 = 54 × 9/56 × 9 = 486/504
  3. Likewise, for the 2nd fraction, since 9 × 56 = 504,
    20/9 = 20 × 56/9 × 56 = 1120/504
  4. Subtract the two like fractions:
    486/504 - 1120/504 = 486 - 1120/504 = -634/504
  5. After reducing the fraction, the answer is -317/252

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