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Subtract 81/98 from 20/9

1st number: 2 2/9, 2nd number: 81/98

20/9 - 81/98 is 1231/882.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 9 × 98 = 882,
    20/9 = 20 × 98/9 × 98 = 1960/882
  3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
    81/98 = 81 × 9/98 × 9 = 729/882
  4. Subtract the two like fractions:
    1960/882 - 729/882 = 1960 - 729/882 = 1231/882
  5. In mixed form: 1349/882

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