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Subtract 7/18 from 1/2

1/2 - 7/18 is 1/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 18 is 18

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

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