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Subtract 18/3 from 1/80

1st number: 1/80, 2nd number: 6 0/3

1/80 - 18/3 is -479/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 3 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    1/80 = 1 × 3/80 × 3 = 3/240
  3. Likewise, for the 2nd fraction, since 3 × 80 = 240,
    18/3 = 18 × 80/3 × 80 = 1440/240
  4. Subtract the two like fractions:
    3/240 - 1440/240 = 3 - 1440/240 = -1437/240
  5. After reducing the fraction, the answer is -479/80

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