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Subtract 49/42 from 6/12

1st number: 6/12, 2nd number: 1 7/42

6/12 - 49/42 is -2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 42 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    6/12 = 6 × 7/12 × 7 = 42/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    49/42 = 49 × 2/42 × 2 = 98/84
  4. Subtract the two like fractions:
    42/84 - 98/84 = 42 - 98/84 = -56/84
  5. After reducing the fraction, the answer is -2/3

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