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Subtract 8/18 from 3/5

3/5 - 8/18 is 7/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 18 is 90
  2. For the 1st fraction, since 5 × 18 = 90,
    3/5 = 3 × 18/5 × 18 = 54/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    8/18 = 8 × 5/18 × 5 = 40/90
  4. Subtract the two fractions:
    54/90 - 40/90 = 54 - 40/90 = 14/90
  5. After reducing the fraction, the answer is 7/45

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