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Subtract 35/27 from 6/42

1st number: 6/42, 2nd number: 1 8/27

6/42 - 35/27 is -218/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 27 is 378
  2. For the 1st fraction, since 42 × 9 = 378,
    6/42 = 6 × 9/42 × 9 = 54/378
  3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
    35/27 = 35 × 14/27 × 14 = 490/378
  4. Subtract the two fractions:
    54/378 - 490/378 = 54 - 490/378 = -436/378
  5. After reducing the fraction, the answer is -218/189

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