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Subtract 27/5 from 1/20

1st number: 1/20, 2nd number: 5 2/5

1/20 - 27/5 is -107/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 5 is 20
  2. For the 1st fraction, since 20 × 1 = 20,
    1/20 = 1 × 1/20 × 1 = 1/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    27/5 = 27 × 4/5 × 4 = 108/20
  4. Subtract the two fractions:
    1/20 - 108/20 = 1 - 108/20 = -107/20

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