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Subtract 1/12 from 30/54

30/54 - 1/12 is 17/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 12 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 54 × 2 = 108,
    30/54 = 30 × 2/54 × 2 = 60/108
  3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
    1/12 = 1 × 9/12 × 9 = 9/108
  4. Subtract the two like fractions:
    60/108 - 9/108 = 60 - 9/108 = 51/108
  5. After reducing the fraction, the answer is 17/36

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