Question

What number can be subtracted from both the numerator and the denominator of this fraction to produce the fraction on the right? 34/53 -?=1/2

Answer 1

`(34-x)/(53-x)= (1)/(2) \ \ \ \Leftrightarrow\ \ \ 53-x=2(34-x)\ \ \wedge\ \ \ x \\eq 53\\ \\53-x=68-2x\\ \\-x+2x=68-53\\ \\x=15\\ \\check\ result:\\ \\ (34-15)/(53-15) = (19)/(38) =(1)/(2)`