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Subtract 5/14 from 18/63

18/63 - 5/14 is -1/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 14 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 63 × 2 = 126,
    18/63 = 18 × 2/63 × 2 = 36/126
  3. Likewise, for the 2nd fraction, since 14 × 9 = 126,
    5/14 = 5 × 9/14 × 9 = 45/126
  4. Subtract the two like fractions:
    36/126 - 45/126 = 36 - 45/126 = -9/126
  5. After reducing the fraction, the answer is -1/14

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