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Subtract 12/15 from 5/80

5/80 - 12/15 is -59/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 15 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    5/80 = 5 × 3/80 × 3 = 15/240
  3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
    12/15 = 12 × 16/15 × 16 = 192/240
  4. Subtract the two like fractions:
    15/240 - 192/240 = 15 - 192/240 = -177/240
  5. After reducing the fraction, the answer is -59/80

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