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Subtract 12/40 from 3/25

3/25 - 12/40 is -9/50.

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,
    3/25 = 3 × 8/25 × 8 = 24/200
  3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
    12/40 = 12 × 5/40 × 5 = 60/200
  4. Subtract the two like fractions:
    24/200 - 60/200 = 24 - 60/200 = -36/200
  5. After reducing the fraction, the answer is -9/50

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