Question

Five rational between 4/9 and 5/9

Answer 1

(4/9×10/10)(5/9×10/10)
40/90. 50/90

so the answer is
41/90 ,42/90 ,43/90, 44/90, 45/90

Answer 2

4/9 and 5/9
4/9×10/10 and 5/9× 10/10
40/90 and 50/90
Required rational no.: 41/90 , 42/90, 43/90, 44/90,45/90