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Subtract 54/90 from 45/5

1st number: 9 0/5, 2nd number: 54/90

45/5 - 54/90 is 42/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 5 × 18 = 90,
    45/5 = 45 × 18/5 × 18 = 810/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    54/90 = 54 × 1/90 × 1 = 54/90
  4. Subtract the two like fractions:
    810/90 - 54/90 = 810 - 54/90 = 756/90
  5. After reducing the fraction, the answer is 42/5
  6. In mixed form: 82/5

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