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Subtract 1/8 from 2/84

2/84 - 1/8 is -17/168.

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,
    2/84 = 2 × 2/84 × 2 = 4/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    1/8 = 1 × 21/8 × 21 = 21/168
  4. Subtract the two like fractions:
    4/168 - 21/168 = 4 - 21/168 = -17/168

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