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Subtract 3/4 from 5/80

5/80 - 3/4 is -11/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 4 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    5/80 = 5 × 1/80 × 1 = 5/80
  3. Likewise, for the 2nd fraction, since 4 × 20 = 80,
    3/4 = 3 × 20/4 × 20 = 60/80
  4. Subtract the two like fractions:
    5/80 - 60/80 = 5 - 60/80 = -55/80
  5. After reducing the fraction, the answer is -11/16

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