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Subtract 8/9 from 14/20

14/20 - 8/9 is -17/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180
  2. For the 1st fraction, since 20 × 9 = 180,
    14/20 = 14 × 9/20 × 9 = 126/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    8/9 = 8 × 20/9 × 20 = 160/180
  4. Subtract the two fractions:
    126/180 - 160/180 = 126 - 160/180 = -34/180
  5. After reducing the fraction, the answer is -17/90

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