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Subtract 7/54 from 75/42

1st number: 1 33/42, 2nd number: 7/54

75/42 - 7/54 is 313/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 54 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 42 × 9 = 378,
    75/42 = 75 × 9/42 × 9 = 675/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    7/54 = 7 × 7/54 × 7 = 49/378
  4. Subtract the two like fractions:
    675/378 - 49/378 = 675 - 49/378 = 626/378
  5. After reducing the fraction, the answer is 313/189
  6. In mixed form: 1124/189

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