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Subtract 5/10 from 4/9

4/9 - 5/10 is -1/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 10 is 90
  2. For the 1st fraction, since 9 × 10 = 90,
    4/9 = 4 × 10/9 × 10 = 40/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    5/10 = 5 × 9/10 × 9 = 45/90
  4. Subtract the two fractions:
    40/90 - 45/90 = 40 - 45/90 = -5/90
  5. After reducing the fraction, the answer is -1/18

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