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Subtract 1/8 from 2/18

2/18 - 1/8 is -1/72.

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,
    2/18 = 2 × 4/18 × 4 = 8/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    1/8 = 1 × 9/8 × 9 = 9/72
  4. Subtract the two fractions:
    8/72 - 9/72 = 8 - 9/72 = -1/72

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