Question

A rational number between 3/5 and 4/5 is:
(a)7/5
(b)7/10
(c)3/10
(d)4/10

please give solution with explanation.​

Answer 1

add 3+4 and 5+5 ans is 7/10

Answer 2

7/10

Step by Step

Here, a = 3/5 and b = 4/5

Now use the formula 1/2 (a + b) to calculate the rational numbers between 3/5 and 4/5.

Required Number = 1/2 (3/5 + 4/5)

=1/2 (7/5)

=7/10