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Subtract 5/45 from 4/54

4/54 - 5/45 is -1/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 45 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    4/54 = 4 × 5/54 × 5 = 20/270
  3. Likewise, for the 2nd fraction, since 45 × 6 = 270,
    5/45 = 5 × 6/45 × 6 = 30/270
  4. Subtract the two like fractions:
    20/270 - 30/270 = 20 - 30/270 = -10/270
  5. After reducing the fraction, the answer is -1/27

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