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Subtract 2/5 from 12/80

12/80 - 2/5 is -1/4.

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,
    12/80 = 12 × 1/80 × 1 = 12/80
  3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
    2/5 = 2 × 16/5 × 16 = 32/80
  4. Subtract the two like fractions:
    12/80 - 32/80 = 12 - 32/80 = -20/80
  5. After reducing the fraction, the answer is -1/4

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