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Subtract 24/42 from 18/75

18/75 - 24/42 is -58/175.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 42 is 1050
  2. For the 1st fraction, since 75 × 14 = 1050,
    18/75 = 18 × 14/75 × 14 = 252/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    24/42 = 24 × 25/42 × 25 = 600/1050
  4. Subtract the two fractions:
    252/1050 - 600/1050 = 252 - 600/1050 = -348/1050
  5. After reducing the fraction, the answer is -58/175

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