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Subtract 25/42 from 28/50

28/50 - 25/42 is -37/1050.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 42 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 50 × 21 = 1050,
    28/50 = 28 × 21/50 × 21 = 588/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    25/42 = 25 × 25/42 × 25 = 625/1050
  4. Subtract the two like fractions:
    588/1050 - 625/1050 = 588 - 625/1050 = -37/1050

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