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Subtract 3/7 from 9/56

9/56 - 3/7 is -15/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 7 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 56 × 1 = 56,
    9/56 = 9 × 1/56 × 1 = 9/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    3/7 = 3 × 8/7 × 8 = 24/56
  4. Subtract the two like fractions:
    9/56 - 24/56 = 9 - 24/56 = -15/56

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