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Subtract 9/7 from 1/6

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

1/6 - 9/7 is -47/42.

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,
    1/6 = 1 × 7/6 × 7 = 7/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    9/7 = 9 × 6/7 × 6 = 54/42
  4. Subtract the two like fractions:
    7/42 - 54/42 = 7 - 54/42 = -47/42

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