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Subtract 9/80 from 4/5

4/5 - 9/80 is 11/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 5 × 16 = 80,
    4/5 = 4 × 16/5 × 16 = 64/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    9/80 = 9 × 1/80 × 1 = 9/80
  4. Subtract the two like fractions:
    64/80 - 9/80 = 64 - 9/80 = 55/80
  5. After reducing the fraction, the answer is 11/16

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