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Subtract 12/60 from 5/90

5/90 - 12/60 is -13/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 60 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    5/90 = 5 × 2/90 × 2 = 10/180
  3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
    12/60 = 12 × 3/60 × 3 = 36/180
  4. Subtract the two like fractions:
    10/180 - 36/180 = 10 - 36/180 = -26/180
  5. After reducing the fraction, the answer is -13/90

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