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Subtract 40/12 from 27/30

1st number: 27/30, 2nd number: 3 4/12

27/30 - 40/12 is -73/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    27/30 = 27 × 2/30 × 2 = 54/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    40/12 = 40 × 5/12 × 5 = 200/60
  4. Subtract the two like fractions:
    54/60 - 200/60 = 54 - 200/60 = -146/60
  5. After reducing the fraction, the answer is -73/30

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