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Subtract 2/8 from 4/18

4/18 - 2/8 is -1/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72
  2. For the 1st fraction, since 18 × 4 = 72,
    4/18 = 4 × 4/18 × 4 = 16/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    2/8 = 2 × 9/8 × 9 = 18/72
  4. Subtract the two fractions:
    16/72 - 18/72 = 16 - 18/72 = -2/72
  5. After reducing the fraction, the answer is -1/36

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