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Subtract 7/18 from 5/6

5/6 - 7/18 is 4/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 18 is 18
  2. For the 1st fraction, since 6 × 3 = 18,
    5/6 = 5 × 3/6 × 3 = 15/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    7/18 = 7 × 1/18 × 1 = 7/18
  4. Subtract the two fractions:
    15/18 - 7/18 = 15 - 7/18 = 8/18
  5. After reducing the fraction, the answer is 4/9

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