Question

find 4 rational numbers between -1 and 1/2

Answer 1

When you want to find national numbers between given pair of national number then the most easy method is to add the numerator and the denominator untuk the desire number of fractions are found.

- 1 , -1+1/1+2 , 1/2
- 1 , 0/3, 1/2
-1 , 0 , 1/2

Now you can solve the third fraction,

-1 , 0, 0.5

Now simply add the number by counting,
- 1 , 0 , 0.1 , 0.2 , 0.3 , 0.5