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Subtract 9/12 from 9/36

9/36 - 9/12 is -1/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 12 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 36 × 1 = 36,
    9/36 = 9 × 1/36 × 1 = 9/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    9/12 = 9 × 3/12 × 3 = 27/36
  4. Subtract the two like fractions:
    9/36 - 27/36 = 9 - 27/36 = -18/36
  5. After reducing the fraction, the answer is -1/2

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