let the numerator of a rational number be x, then the denominator s x+8. Therefore, Rational number =xx+8
According to question, =x+17x+8−1=32
⇒x+17x+7=32
⇒2(x+17)=3(x+7)
⇒2x+34=3x+21
⇒2x−3x=21−34
⇒−x=−13 ⇒x=13
Hence, the required rational number =xx+8=1313+8=1321