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Subtract 8/9 from 3/5

3/5 - 8/9 is -13/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 9 is 45
  2. For the 1st fraction, since 5 × 9 = 45,
    3/5 = 3 × 9/5 × 9 = 27/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    8/9 = 8 × 5/9 × 5 = 40/45
  4. Subtract the two fractions:
    27/45 - 40/45 = 27 - 40/45 = -13/45

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