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Subtract 5/45 from 1/12

1/12 - 5/45 is -1/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180
  2. For the 1st fraction, since 12 × 15 = 180,
    1/12 = 1 × 15/12 × 15 = 15/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    5/45 = 5 × 4/45 × 4 = 20/180
  4. Subtract the two fractions:
    15/180 - 20/180 = 15 - 20/180 = -5/180
  5. After reducing the fraction, the answer is -1/36

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