The equivalent fraction for five tenths is one half.
Five quarters
10/50 is one example.
one over five
one half 1/2
13/8 = 26/16
535/1000
the fraction for 5/8ths is .63
Since 5/8 is less than one, it has no sensible equivalent as a mixed fraction. It could be written as 05/8 but that is rather a silly thing to do.
a equivalent fraction is 10/25
10/28
25/30