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Subtract 5/6 from 12/90

12/90 - 5/6 is -7/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 6 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    12/90 = 12 × 1/90 × 1 = 12/90
  3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
    5/6 = 5 × 15/6 × 15 = 75/90
  4. Subtract the two like fractions:
    12/90 - 75/90 = 12 - 75/90 = -63/90
  5. After reducing the fraction, the answer is -7/10

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