Find ten rational numbers between and

We have to find 10 rational numbers between -2/5 and 1/2

Now we can do that by multiplying numerator and denominator of both the rational numbers with the same number so that the denominator of both the rational numbers become same.

For that let's take L.C.M of 5 and 2. And it is 10. So we have to make denominator of both the rational numbers as 10 or any multiple of 10