Hello.
First we need to multiply across.
7 x 7 is 49 so that's our top number.
49
---- 5 x 8 is 40 so that would be our bottom number.
?
You would write it [tex]\fbox{49/40}[/tex].
As a mixed number it would be [tex]\fbox{1 9/40}[/tex] Note that it is not 19 if you read it wrong.