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Subtract 9/20 from 8/2

1st number: 4 0/2, 2nd number: 9/20

8/2 - 9/20 is 71/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 2 × 10 = 20,
    8/2 = 8 × 10/2 × 10 = 80/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    9/20 = 9 × 1/20 × 1 = 9/20
  4. Subtract the two like fractions:
    80/20 - 9/20 = 80 - 9/20 = 71/20
  5. In mixed form: 311/20

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