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Subtract 63/80 from 20/75

20/75 - 63/80 is -25/48.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 80 is 1200

    Next, find the equivalent fraction of both fractional numbers with denominator 1200
  2. For the 1st fraction, since 75 × 16 = 1200,
    20/75 = 20 × 16/75 × 16 = 320/1200
  3. Likewise, for the 2nd fraction, since 80 × 15 = 1200,
    63/80 = 63 × 15/80 × 15 = 945/1200
  4. Subtract the two like fractions:
    320/1200 - 945/1200 = 320 - 945/1200 = -625/1200
  5. After reducing the fraction, the answer is -25/48

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