51 point What is the difference of $\frac{5}{7}-\frac{3}{28}$ in lowest terms? a. $\frac{23}{32}$ c. $\frac{8}{14}$ b. $\frac{17}{28}$ d. $\frac{4}{7}$ The answer is choose your answer...

Step 1 ：To solve this problem, we need to subtract the two fractions. However, before we can do that, we need to find a common denominator.

Step 2 ：The least common multiple of 7 and 28 is 28.

Step 3 ：So, we will convert \(\frac{5}{7}\) to \(\frac{20}{28}\) and subtract \(\frac{3}{28}\) from it.

Step 4 ：The difference of \(\frac{5}{7}-\frac{3}{28}\) in lowest terms is \(\boxed{\frac{17}{28}}\). So, the correct answer is (b).