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Subtract 7/9 from 12/98

12/98 - 7/9 is -289/441.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 9 is 882

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 98 × 9 = 882,
    12/98 = 12 × 9/98 × 9 = 108/882
  3. Likewise, for the 2nd fraction, since 9 × 98 = 882,
    7/9 = 7 × 98/9 × 98 = 686/882
  4. Subtract the two like fractions:
    108/882 - 686/882 = 108 - 686/882 = -578/882
  5. After reducing the fraction, the answer is -289/441

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