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Subtract 25/42 from 10/48

10/48 - 25/42 is -65/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 42 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 48 × 7 = 336,
    10/48 = 10 × 7/48 × 7 = 70/336
  3. Likewise, for the 2nd fraction, since 42 × 8 = 336,
    25/42 = 25 × 8/42 × 8 = 200/336
  4. Subtract the two like fractions:
    70/336 - 200/336 = 70 - 200/336 = -130/336
  5. After reducing the fraction, the answer is -65/168

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