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Subtract 30/54 from 30/90

30/90 - 30/54 is -2/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 90 × 3 = 270,
    30/90 = 30 × 3/90 × 3 = 90/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    30/54 = 30 × 5/54 × 5 = 150/270
  4. Subtract the two like fractions:
    90/270 - 150/270 = 90 - 150/270 = -60/270
  5. After reducing the fraction, the answer is -2/9

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