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Subtract 48/42 from 18/25

1st number: 18/25, 2nd number: 1 6/42

18/25 - 48/42 is -74/175.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 42 is 1050
  2. For the 1st fraction, since 25 × 42 = 1050,
    18/25 = 18 × 42/25 × 42 = 756/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    48/42 = 48 × 25/42 × 25 = 1200/1050
  4. Subtract the two fractions:
    756/1050 - 1200/1050 = 756 - 1200/1050 = -444/1050
  5. After reducing the fraction, the answer is -74/175

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