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Subtract 81/40 from 8/25

1st number: 8/25, 2nd number: 2 1/40

8/25 - 81/40 is -341/200.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 40 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 25 × 8 = 200,
    8/25 = 8 × 8/25 × 8 = 64/200
  3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
    81/40 = 81 × 5/40 × 5 = 405/200
  4. Subtract the two like fractions:
    64/200 - 405/200 = 64 - 405/200 = -341/200

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