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Subtract 9/7 from 2/6

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

2/6 - 9/7 is -20/21.

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,
    2/6 = 2 × 7/6 × 7 = 14/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    9/7 = 9 × 6/7 × 6 = 54/42
  4. Subtract the two like fractions:
    14/42 - 54/42 = 14 - 54/42 = -40/42
  5. After reducing the fraction, the answer is -20/21

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