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Subtract 18/27 from 5/8

5/8 - 18/27 is -1/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 27 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 8 × 27 = 216,
    5/8 = 5 × 27/8 × 27 = 135/216
  3. Likewise, for the 2nd fraction, since 27 × 8 = 216,
    18/27 = 18 × 8/27 × 8 = 144/216
  4. Subtract the two like fractions:
    135/216 - 144/216 = 135 - 144/216 = -9/216
  5. After reducing the fraction, the answer is -1/24

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