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Subtract 9/80 from 4/75

4/75 - 9/80 is -71/1200.

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,
    4/75 = 4 × 16/75 × 16 = 64/1200
  3. Likewise, for the 2nd fraction, since 80 × 15 = 1200,
    9/80 = 9 × 15/80 × 15 = 135/1200
  4. Subtract the two like fractions:
    64/1200 - 135/1200 = 64 - 135/1200 = -71/1200

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