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Subtract 6/90 from 3/12

3/12 - 6/90 is 11/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    3/12 = 3 × 15/12 × 15 = 45/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    6/90 = 6 × 2/90 × 2 = 12/180
  4. Subtract the two like fractions:
    45/180 - 12/180 = 45 - 12/180 = 33/180
  5. After reducing the fraction, the answer is 11/60

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