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Subtract 7/20 from 4/75

4/75 - 7/20 is -89/300.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 20 is 300
  2. For the 1st fraction, since 75 × 4 = 300,
    4/75 = 4 × 4/75 × 4 = 16/300
  3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
    7/20 = 7 × 15/20 × 15 = 105/300
  4. Subtract the two fractions:
    16/300 - 105/300 = 16 - 105/300 = -89/300

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