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Subtract 2/28 from 28/81

28/81 - 2/28 is 311/1134.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 28 is 2268

    Next, find the equivalent fraction of both fractional numbers with denominator 2268
  2. For the 1st fraction, since 81 × 28 = 2268,
    28/81 = 28 × 28/81 × 28 = 784/2268
  3. Likewise, for the 2nd fraction, since 28 × 81 = 2268,
    2/28 = 2 × 81/28 × 81 = 162/2268
  4. Subtract the two like fractions:
    784/2268 - 162/2268 = 784 - 162/2268 = 622/2268
  5. After reducing the fraction, the answer is 311/1134

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