Question

The product of two rational number is5/18 if one of them is 3/26.Find the other

Answer 1

Let other number be x
A/q
5/18×x=3/26
x=3/26×18/5
x=27/65
hence the other number is 27/65

Answer 2

Let the two rational numbers be 'a' and 'b'
So, a×b=5/18
⇒3/26×b=5/18
⇒b=5/18×26/3
∴b=65/27

Hope this helps