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Subtract 8/30 from 3/12

3/12 - 8/30 is -1/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 30 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 30 × 2 = 60,
    8/30 = 8 × 2/30 × 2 = 16/60
  4. Subtract the two like fractions:
    15/60 - 16/60 = 15 - 16/60 = -1/60

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