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Subtract 10/18 from 12/36

12/36 - 10/18 is -2/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 36 × 1 = 36,
    12/36 = 12 × 1/36 × 1 = 12/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    10/18 = 10 × 2/18 × 2 = 20/36
  4. Subtract the two like fractions:
    12/36 - 20/36 = 12 - 20/36 = -8/36
  5. After reducing the fraction, the answer is -2/9

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