Here is your answer:
1. As you can see both fractions have the same denominator 5/8 and 2/8 so if you wanted to split a pie you would see that 5/8 is greater since how there is more pieces so....
"
"
2. In order to solve fractions you have to find the common denominator then add but since how both denominators are the same you can just add the numerators.
"
"
Hope this helps!