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Subtract 54/45 from 90/5

1st number: 18 0/5, 2nd number: 1 9/45

90/5 - 54/45 is 84/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 45 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 5 × 9 = 45,
    90/5 = 90 × 9/5 × 9 = 810/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    54/45 = 54 × 1/45 × 1 = 54/45
  4. Subtract the two like fractions:
    810/45 - 54/45 = 810 - 54/45 = 756/45
  5. After reducing the fraction, the answer is 84/5
  6. In mixed form: 164/5

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