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Subtract 9/30 from 8/20

8/20 - 9/30 is 1/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 30 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    8/20 = 8 × 3/20 × 3 = 24/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    9/30 = 9 × 2/30 × 2 = 18/60
  4. Subtract the two fractions:
    24/60 - 18/60 = 24 - 18/60 = 6/60
  5. After reducing the fraction, the answer is 1/10

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