Add and subtract of this number 5+0.5 and 5-0.5 Share with your friends Share 0 Brijendra Pal answered this Hi, Addition: 5+0.5+5-0.5= 10 subtraction: 5+0.5-( 5-0.5)= 5+0.5-5+0.5= 1 0 View Full Answer Dp Kmr answered this Add will be 5.5 and Sub. Will be 4.5 0