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Subtract 8/18 from 2/80

2/80 - 8/18 is -151/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 18 is 720
  2. For the 1st fraction, since 80 × 9 = 720,
    2/80 = 2 × 9/80 × 9 = 18/720
  3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
    8/18 = 8 × 40/18 × 40 = 320/720
  4. Subtract the two fractions:
    18/720 - 320/720 = 18 - 320/720 = -302/720
  5. After reducing the fraction, the answer is -151/360

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