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Subtract 18/45 from 8/2

1st number: 4 0/2, 2nd number: 18/45

8/2 - 18/45 is 18/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 2 × 45 = 90,
    8/2 = 8 × 45/2 × 45 = 360/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    18/45 = 18 × 2/45 × 2 = 36/90
  4. Subtract the two like fractions:
    360/90 - 36/90 = 360 - 36/90 = 324/90
  5. After reducing the fraction, the answer is 18/5
  6. In mixed form: 33/5

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