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Subtract 27/45 from 5/2

1st number: 2 1/2, 2nd number: 27/45

5/2 - 27/45 is 19/10.

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,
    5/2 = 5 × 45/2 × 45 = 225/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    27/45 = 27 × 2/45 × 2 = 54/90
  4. Subtract the two like fractions:
    225/90 - 54/90 = 225 - 54/90 = 171/90
  5. After reducing the fraction, the answer is 19/10
  6. In mixed form: 19/10

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