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Subtract 48/42 from 15/75

1st number: 15/75, 2nd number: 1 6/42

15/75 - 48/42 is -33/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 42 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 75 × 14 = 1050,
    15/75 = 15 × 14/75 × 14 = 210/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    48/42 = 48 × 25/42 × 25 = 1200/1050
  4. Subtract the two like fractions:
    210/1050 - 1200/1050 = 210 - 1200/1050 = -990/1050
  5. After reducing the fraction, the answer is -33/35

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