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Subtract 45/90 from 8/4

1st number: 2 0/4, 2nd number: 45/90

8/4 - 45/90 is 3/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    8/4 = 8 × 45/4 × 45 = 360/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    45/90 = 45 × 2/90 × 2 = 90/180
  4. Subtract the two like fractions:
    360/180 - 90/180 = 360 - 90/180 = 270/180
  5. After reducing the fraction, the answer is 3/2
  6. In mixed form: 11/2

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