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Subtract 7/42 from 1/50

1/50 - 7/42 is -11/75.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 42 is 1050
  2. For the 1st fraction, since 50 × 21 = 1050,
    1/50 = 1 × 21/50 × 21 = 21/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    7/42 = 7 × 25/42 × 25 = 175/1050
  4. Subtract the two fractions:
    21/1050 - 175/1050 = 21 - 175/1050 = -154/1050
  5. After reducing the fraction, the answer is -11/75

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