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Subtract 30/5 from 12/20

1st number: 12/20, 2nd number: 6 0/5

12/20 - 30/5 is -27/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    12/20 = 12 × 1/20 × 1 = 12/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    30/5 = 30 × 4/5 × 4 = 120/20
  4. Subtract the two like fractions:
    12/20 - 120/20 = 12 - 120/20 = -108/20
  5. After reducing the fraction, the answer is -27/5

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