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Subtract 42/80 from 2/25

2/25 - 42/80 is -89/200.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 80 is 400

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 25 × 16 = 400,
    2/25 = 2 × 16/25 × 16 = 32/400
  3. Likewise, for the 2nd fraction, since 80 × 5 = 400,
    42/80 = 42 × 5/80 × 5 = 210/400
  4. Subtract the two like fractions:
    32/400 - 210/400 = 32 - 210/400 = -178/400
  5. After reducing the fraction, the answer is -89/200

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