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Subtract 18/27 from 8/15

8/15 - 18/27 is -2/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 27 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 15 × 9 = 135,
    8/15 = 8 × 9/15 × 9 = 72/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    18/27 = 18 × 5/27 × 5 = 90/135
  4. Subtract the two like fractions:
    72/135 - 90/135 = 72 - 90/135 = -18/135
  5. After reducing the fraction, the answer is -2/15

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