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Subtract 6/7 from 3/6

3/6 - 6/7 is -5/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 7 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 6 × 7 = 42,
    3/6 = 3 × 7/6 × 7 = 21/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    6/7 = 6 × 6/7 × 6 = 36/42
  4. Subtract the two like fractions:
    21/42 - 36/42 = 21 - 36/42 = -15/42
  5. After reducing the fraction, the answer is -5/14

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