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Subtract 12/24 from 1/45

1/45 - 12/24 is -43/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 24 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 45 × 8 = 360,
    1/45 = 1 × 8/45 × 8 = 8/360
  3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
    12/24 = 12 × 15/24 × 15 = 180/360
  4. Subtract the two like fractions:
    8/360 - 180/360 = 8 - 180/360 = -172/360
  5. After reducing the fraction, the answer is -43/90

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