Question

By what rational number should -8/39 be multiplied to obtain 5/26

Answer 1

The no. by which -8/39 be multiplied to obtain 5/26 is :-(5/26)/(-8/39)
=(5/26)*(-39/8)
=-195/208

Answer 2

Let the no =x
-8/39 *x= 5/26
x= 5/26*39/-8
= 15/-16