Answers

Subtract 2/81 from 28/49

28/49 - 2/81 is 310/567.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 81 is 3969
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3969
2. For the 1st fraction, since 49 × 81 = 3969,
   28/49 = 28 × 81/49 × 81 = 2268/3969
3. Likewise, for the 2nd fraction, since 81 × 49 = 3969,
   2/81 = 2 × 49/81 × 49 = 98/3969
4. Subtract the two like fractions:
   2268/3969 - 98/3969 = 2268 - 98/3969 = 2170/3969
5. After reducing the fraction, the answer is 310/567

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