Answers

Subtract 98/81 from 28/4

1^st number: 7 0/4, 2^nd number: 1 17/81

28/4 - 98/81 is 469/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 4 × 81 = 324,
   28/4 = 28 × 81/4 × 81 = 2268/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   98/81 = 98 × 4/81 × 4 = 392/324
4. Subtract the two like fractions:
   2268/324 - 392/324 = 2268 - 392/324 = 1876/324
5. After reducing the fraction, the answer is 469/81
6. In mixed form: 564/81

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