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Subtract 6/4 from 3/81

1st number: 3/81, 2nd number: 1 2/4

3/81 - 6/4 is -79/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 4 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 81 × 4 = 324,
    3/81 = 3 × 4/81 × 4 = 12/324
  3. Likewise, for the 2nd fraction, since 4 × 81 = 324,
    6/4 = 6 × 81/4 × 81 = 486/324
  4. Subtract the two like fractions:
    12/324 - 486/324 = 12 - 486/324 = -474/324
  5. After reducing the fraction, the answer is -79/54

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