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Subtract 1/4 from 1/8

1/8 - 1/4 is -1/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 4 is 8

    Next, find the equivalent fraction of both fractional numbers with denominator 8
  2. For the 1st fraction, since 8 × 1 = 8,
    1/8 = 1 × 1/8 × 1 = 1/8
  3. Likewise, for the 2nd fraction, since 4 × 2 = 8,
    1/4 = 1 × 2/4 × 2 = 2/8
  4. Subtract the two like fractions:
    1/8 - 2/8 = 1 - 2/8 = -1/8

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