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Subtract 6/9 from 3/30

3/30 - 6/9 is -17/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90
  2. For the 1st fraction, since 30 × 3 = 90,
    3/30 = 3 × 3/30 × 3 = 9/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    6/9 = 6 × 10/9 × 10 = 60/90
  4. Subtract the two fractions:
    9/90 - 60/90 = 9 - 60/90 = -51/90
  5. After reducing the fraction, the answer is -17/30

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