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Subtract 45/54 from 2/8

2/8 - 45/54 is -7/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 54 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 8 × 27 = 216,
    2/8 = 2 × 27/8 × 27 = 54/216
  3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
    45/54 = 45 × 4/54 × 4 = 180/216
  4. Subtract the two like fractions:
    54/216 - 180/216 = 54 - 180/216 = -126/216
  5. After reducing the fraction, the answer is -7/12

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