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Subtract 7/9 from 20/98

20/98 - 7/9 is -253/441.

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,
    20/98 = 20 × 9/98 × 9 = 180/882
  3. Likewise, for the 2nd fraction, since 9 × 98 = 882,
    7/9 = 7 × 98/9 × 98 = 686/882
  4. Subtract the two like fractions:
    180/882 - 686/882 = 180 - 686/882 = -506/882
  5. After reducing the fraction, the answer is -253/441

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