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Subtract 8/45 from 2/80

2/80 - 8/45 is -11/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 45 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 45 × 16 = 720,
    8/45 = 8 × 16/45 × 16 = 128/720
  4. Subtract the two fractions:
    18/720 - 128/720 = 18 - 128/720 = -110/720
  5. After reducing the fraction, the answer is -11/72

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