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Subtract 1/8 from 9/84

9/84 - 1/8 is -1/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 84 × 2 = 168,
    9/84 = 9 × 2/84 × 2 = 18/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    1/8 = 1 × 21/8 × 21 = 21/168
  4. Subtract the two like fractions:
    18/168 - 21/168 = 18 - 21/168 = -3/168
  5. After reducing the fraction, the answer is -1/56

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