Question

1pe2 plus 13 pe 4minus17pe8

Answer 1

1/2+13/4-17/8=4/8+26/8-17/8=(4+26-17)/8=13/8

Answer 2

$\frac{^{4)}1}{2}+\frac{^{2)}13}{4}-\frac{^{1)}17}{8}=\\ \\ =\frac{4*1+2*13-1*17}{8}=\\ \\ =\frac{4+26-17}{8}=\\ \\ =\frac{13}{8}=1,625$