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Subtract 36/90 from 27/75

27/75 - 36/90 is -1/25.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 75 × 6 = 450,
    27/75 = 27 × 6/75 × 6 = 162/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    36/90 = 36 × 5/90 × 5 = 180/450
  4. Subtract the two like fractions:
    162/450 - 180/450 = 162 - 180/450 = -18/450
  5. After reducing the fraction, the answer is -1/25

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