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Subtract 28/5 from 3/80

1st number: 3/80, 2nd number: 5 3/5

3/80 - 28/5 is -89/16.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    3/80 = 3 × 1/80 × 1 = 3/80
  3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
    28/5 = 28 × 16/5 × 16 = 448/80
  4. Subtract the two like fractions:
    3/80 - 448/80 = 3 - 448/80 = -445/80
  5. After reducing the fraction, the answer is -89/16

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