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Subtract 6/20 from 1/63

1/63 - 6/20 is -179/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 20 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 63 × 20 = 1260,
    1/63 = 1 × 20/63 × 20 = 20/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    6/20 = 6 × 63/20 × 63 = 378/1260
  4. Subtract the two like fractions:
    20/1260 - 378/1260 = 20 - 378/1260 = -358/1260
  5. After reducing the fraction, the answer is -179/630

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