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Subtract 27/25 from 1/80

1st number: 1/80, 2nd number: 1 2/25

1/80 - 27/25 is -427/400.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 80 × 5 = 400,
    1/80 = 1 × 5/80 × 5 = 5/400
  3. Likewise, for the 2nd fraction, since 25 × 16 = 400,
    27/25 = 27 × 16/25 × 16 = 432/400
  4. Subtract the two like fractions:
    5/400 - 432/400 = 5 - 432/400 = -427/400

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