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Subtract 6/18 from 8/15

8/15 - 6/18 is 1/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    8/15 = 8 × 6/15 × 6 = 48/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    6/18 = 6 × 5/18 × 5 = 30/90
  4. Subtract the two fractions:
    48/90 - 30/90 = 48 - 30/90 = 18/90
  5. After reducing the fraction, the answer is 1/5

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