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Subtract 75/81 from 40/14

1st number: 2 12/14, 2nd number: 75/81

40/14 - 75/81 is 365/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 81 is 1134

    Next, find the equivalent fraction of both fractional numbers with denominator 1134
  2. For the 1st fraction, since 14 × 81 = 1134,
    40/14 = 40 × 81/14 × 81 = 3240/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    75/81 = 75 × 14/81 × 14 = 1050/1134
  4. Subtract the two like fractions:
    3240/1134 - 1050/1134 = 3240 - 1050/1134 = 2190/1134
  5. After reducing the fraction, the answer is 365/189
  6. In mixed form: 1176/189

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