Question

find two rational no. between 2/5 and 3/7

Answer 1

two rational no. between 2/5 and 3/7
LCM of 5 & 7 is 35
Now the new numbers are
14 / 35 & 15 / 35
As to find 2 rational number add 1.
Means 2+1 = 3
Now multiply and divide by 3 we get
42 / 105 & 45 / 105
In between numbers are
43 / 105 and 44 / 105

Answer 2

2/5 * 7= 14/35
3/5 *5= 15/35

14/35*10 = 140/350
15/35*10 = 150/350
 answer is = 141/350 and 145/350