Answer:
5/7
What is a fraction?
A fraction is a fragment of a whole number, used to define parts of a whole. The whole can be a whole object, or many different objects. The number at the top of the line is called the numerator, whereas the bottom is called the denominator.
If we think about 5/7, we can relate this to a circle split into 7 parts, with 5 shaded in.
You can do the same for 5/8. Think of a circle with 8 parts, and 5 shaded in.
A way to figure out which is bigger is to find a common denominator between the two.
A common denominator is two fractions with the same denominator (Hence the name). Solving for a common denominator can be done with cross multiplication.
5/7 = 40/56
5/8 = 35/56
We can visibly see, that 40/56 (5/7) is bigger, therefore making 5/7 the greater fraction.