Find a rational number between -2 and 6

Find a rational number between -6 and 1/7 .

Find a rational number between -1 and 1/2 .

Find a rational number between 2 and 3.

.Find a rational number between 2.1 and 2.2

Find a rational number between 1/2 and 2/3 .

Find a rational number between 4/5 and 6/7

Find a rational number between 6/5 and 3/5

Find a rational number between 1/6 and 3/5

Find 15 rational numbers between -2 and 0.

Find a rational numbers between 2/3 and 3/4 [Hint: First write the rational numbers with equal denominators.]