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Subtract 5/40 from 1/80

1/80 - 5/40 is -9/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 40 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    1/80 = 1 × 1/80 × 1 = 1/80
  3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
    5/40 = 5 × 2/40 × 2 = 10/80
  4. Subtract the two like fractions:
    1/80 - 10/80 = 1 - 10/80 = -9/80

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