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Subtract 5/50 from 3/42

3/42 - 5/50 is -1/35.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 42 × 25 = 1050,
    3/42 = 3 × 25/42 × 25 = 75/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    5/50 = 5 × 21/50 × 21 = 105/1050
  4. Subtract the two like fractions:
    75/1050 - 105/1050 = 75 - 105/1050 = -30/1050
  5. After reducing the fraction, the answer is -1/35

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