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Subtract 3/4 from 5/20

5/20 - 3/4 is -1/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 4 is 20
  2. For the 1st fraction, since 20 × 1 = 20,
    5/20 = 5 × 1/20 × 1 = 5/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    3/4 = 3 × 5/4 × 5 = 15/20
  4. Subtract the two fractions:
    5/20 - 15/20 = 5 - 15/20 = -10/20
  5. After reducing the fraction, the answer is -1/2

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