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Subtract 1/4 from 1/18

1/18 - 1/4 is -7/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 18 × 2 = 36,
    1/18 = 1 × 2/18 × 2 = 2/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    1/4 = 1 × 9/4 × 9 = 9/36
  4. Subtract the two like fractions:
    2/36 - 9/36 = 2 - 9/36 = -7/36

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