Question

Simple common sense question of maths.... please answer... i am confused
IF a = b
and c = d
Then a=d => 1 = b/a ----------(i)
and c=d => 1 = d/c ----------(ii)

From equation (i) and (ii), we get:-
b/a = d/c
Is it correct??? Please answer with proof or example....!
THANKS IN ADVANCE....! WAITING FOR YOUR REPLY

Answer 1

First of all you wrote a=d by mistake, it should be a=b

Yes, your answer is correct.
If a = b Then b/a can also be written as b/b = 1 .............. (i)
Similarly, c = d . So d/c can also be written as d/d = 1 ................. (ii)

Thus from (i) and (ii) we get 
b/a = 1 = d/c
= b/a = d/c

Hope that helps !!

Answer 2

If a=b
cosider a=bx1⇒b/a=1..........................(1)
If c=d
consider c=dx1⇒d/c=1......................(2)
Both equation have same right hand side then there RHS must be same
b/a=d/c