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Subtract 1/20 from 20/4

1st number: 5 0/4, 2nd number: 1/20

20/4 - 1/20 is 99/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    20/4 = 20 × 5/4 × 5 = 100/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    1/20 = 1 × 1/20 × 1 = 1/20
  4. Subtract the two like fractions:
    100/20 - 1/20 = 100 - 1/20 = 99/20
  5. In mixed form: 419/20

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