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Subtract 3/30 from 10/20

10/20 - 3/30 is 2/5.

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,
    10/20 = 10 × 3/20 × 3 = 30/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    3/30 = 3 × 2/30 × 2 = 6/60
  4. Subtract the two fractions:
    30/60 - 6/60 = 30 - 6/60 = 24/60
  5. After reducing the fraction, the answer is 2/5

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