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Subtract 75/81 from 98/28

1st number: 3 14/28, 2nd number: 75/81

98/28 - 75/81 is 139/54.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2268
  2. For the 1st fraction, since 28 × 81 = 2268,
    98/28 = 98 × 81/28 × 81 = 7938/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    75/81 = 75 × 28/81 × 28 = 2100/2268
  4. Subtract the two like fractions:
    7938/2268 - 2100/2268 = 7938 - 2100/2268 = 5838/2268
  5. After reducing the fraction, the answer is 139/54
  6. In mixed form: 231/54

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