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Subtract 8/81 from 12/4

1st number: 3 0/4, 2nd number: 8/81

12/4 - 8/81 is 235/81.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 4 × 81 = 324,
    12/4 = 12 × 81/4 × 81 = 972/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    8/81 = 8 × 4/81 × 4 = 32/324
  4. Subtract the two like fractions:
    972/324 - 32/324 = 972 - 32/324 = 940/324
  5. After reducing the fraction, the answer is 235/81
  6. In mixed form: 273/81

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