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Subtract 27/25 from 1/20

1st number: 1/20, 2nd number: 1 2/25

1/20 - 27/25 is -103/100.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 25 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 20 × 5 = 100,
    1/20 = 1 × 5/20 × 5 = 5/100
  3. Likewise, for the 2nd fraction, since 25 × 4 = 100,
    27/25 = 27 × 4/25 × 4 = 108/100
  4. Subtract the two like fractions:
    5/100 - 108/100 = 5 - 108/100 = -103/100

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