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Subtract 1/40 from 1/50

1/50 - 1/40 is -1/200.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 40 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 50 × 4 = 200,
    1/50 = 1 × 4/50 × 4 = 4/200
  3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
    1/40 = 1 × 5/40 × 5 = 5/200
  4. Subtract the two like fractions:
    4/200 - 5/200 = 4 - 5/200 = -1/200

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