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Subtract 15/20 from 20/4

1st number: 5 0/4, 2nd number: 15/20

20/4 - 15/20 is 17/4.

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,
    15/20 = 15 × 1/20 × 1 = 15/20
  4. Subtract the two like fractions:
    100/20 - 15/20 = 100 - 15/20 = 85/20
  5. After reducing the fraction, the answer is 17/4
  6. In mixed form: 41/4

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