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Subtract 4/20 from 4/25

4/25 - 4/20 is -1/25.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 25 × 4 = 100,
    4/25 = 4 × 4/25 × 4 = 16/100
  3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
    4/20 = 4 × 5/20 × 5 = 20/100
  4. Subtract the two like fractions:
    16/100 - 20/100 = 16 - 20/100 = -4/100
  5. After reducing the fraction, the answer is -1/25

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