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Subtract 35/90 from 1/12

1/12 - 35/90 is -11/36.

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,
    1/12 = 1 × 15/12 × 15 = 15/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    35/90 = 35 × 2/90 × 2 = 70/180
  4. Subtract the two like fractions:
    15/180 - 70/180 = 15 - 70/180 = -55/180
  5. After reducing the fraction, the answer is -11/36

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