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Subtract 8/27 from 9/45

9/45 - 8/27 is -13/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 27 is 135
  2. For the 1st fraction, since 45 × 3 = 135,
    9/45 = 9 × 3/45 × 3 = 27/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    8/27 = 8 × 5/27 × 5 = 40/135
  4. Subtract the two fractions:
    27/135 - 40/135 = 27 - 40/135 = -13/135

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