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Subtract 1/5 from 5/18

5/18 - 1/5 is 7/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 5 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    5/18 = 5 × 5/18 × 5 = 25/90
  3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
    1/5 = 1 × 18/5 × 18 = 18/90
  4. Subtract the two like fractions:
    25/90 - 18/90 = 25 - 18/90 = 7/90

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