I have worked out the answer to the question, I hope it helps you. Please do not forget to check if this answer if reliable, I am not always correct
Answer:

and

Step-by-step explanation:
First make all the fractions into improper fractions

After doing that put them back into the problems
Problem 1)
÷
, plug in the improper fractions
÷
to divide, you need to flip the second fraction and multiply
·
=
then reduce

Problem 2)
÷
Plug in improper fraction
÷
Then flip second fraction and multiply
·
Multiply
Reduce, or make it a mixed number

Answer:
4570
Step-by-step explanation:
A^2+b^2=c^2
24^2+b^2=26^2
576+b^2=676
-576. -576
b^2=100