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Subtract 3/20 from 90/2

1st number: 45 0/2, 2nd number: 3/20

90/2 - 3/20 is 897/20.

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,
    90/2 = 90 × 10/2 × 10 = 900/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    3/20 = 3 × 1/20 × 1 = 3/20
  4. Subtract the two like fractions:
    900/20 - 3/20 = 900 - 3/20 = 897/20
  5. In mixed form: 4417/20

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