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Subtract 27/30 from 8/12

8/12 - 27/30 is -7/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 30 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    8/12 = 8 × 5/12 × 5 = 40/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    27/30 = 27 × 2/30 × 2 = 54/60
  4. Subtract the two fractions:
    40/60 - 54/60 = 40 - 54/60 = -14/60
  5. After reducing the fraction, the answer is -7/30

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