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Subtract 12/20 from 90/2

1st number: 45 0/2, 2nd number: 12/20

90/2 - 12/20 is 222/5.

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,
    12/20 = 12 × 1/20 × 1 = 12/20
  4. Subtract the two like fractions:
    900/20 - 12/20 = 900 - 12/20 = 888/20
  5. After reducing the fraction, the answer is 222/5
  6. In mixed form: 442/5

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