Question $3.$

Add the following IEEE $754$ single$-$precision floating$-$point numbers. Show step$-$by$-$step how you performed your calculation or you will not receive credit, even if the answer is correct.

$5BC_{307}+60A4EF12$

FA$5$B$701$E $+$ A$1$B$2$C$4$D$3$

D$0$CE$6$A$72+5$A$4$B$3$D$12$