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Subtract 45/60 from 3/12

3/12 - 45/60 is -1/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 60 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    3/12 = 3 × 5/12 × 5 = 15/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    45/60 = 45 × 1/60 × 1 = 45/60
  4. Subtract the two like fractions:
    15/60 - 45/60 = 15 - 45/60 = -30/60
  5. After reducing the fraction, the answer is -1/2

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