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Subtract 35/42 from 7/25

7/25 - 35/42 is -83/150.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 42 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 25 × 42 = 1050,
    7/25 = 7 × 42/25 × 42 = 294/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    35/42 = 35 × 25/42 × 25 = 875/1050
  4. Subtract the two like fractions:
    294/1050 - 875/1050 = 294 - 875/1050 = -581/1050
  5. After reducing the fraction, the answer is -83/150

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