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Subtract 56/63 from 5/7

5/7 - 56/63 is -11/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 63 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 7 × 9 = 63,
    5/7 = 5 × 9/7 × 9 = 45/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    56/63 = 56 × 1/63 × 1 = 56/63
  4. Subtract the two like fractions:
    45/63 - 56/63 = 45 - 56/63 = -11/63

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