Question

minus 5 upon 8 and 1 upon 4

Answer 1

5/8&1/4..................
5/8-1×2/4×2
5/8-2/8
3/8

Answer 2

$= \frac{5}{8} - \frac{1}{4} \\ = \frac{5 - 2}{8} = \frac{3}{8}$