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Subtract 20/18 from 5/9

1st number: 5/9, 2nd number: 1 2/18

5/9 - 20/18 is -5/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 18 is 18
  2. For the 1st fraction, since 9 × 2 = 18,
    5/9 = 5 × 2/9 × 2 = 10/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    20/18 = 20 × 1/18 × 1 = 20/18
  4. Subtract the two fractions:
    10/18 - 20/18 = 10 - 20/18 = -10/18
  5. After reducing the fraction, the answer is -5/9

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