Question

find any five rational numbers between -1 and -2

Answer 1

Add -1and -2 ,divide by 2 we get -1-2/2= -3/2 .
Add -1 and -3/2 ,divide by 2 we get -5/4.
Add -2 and -3/2, divide by 2 we get -7/4 .
Add -1 and -5/4,divide by 2 we get -9/8.
Add -2 and -5/4,divide by 2 we get -11/8 .
So -3/2, -5/4, -7/4 , -9/8 , -11/8 are five rational numbers between -1and-2 ,and are obtained by this method. Hope it helps you...