The answer is: 16/29
First, to find the denominator (bottom number), add 13 and 16 which equals 29. That means the denominator is 29. The numerator(top number) is 16. That means the fraction is 16/29.
It has been a while since I had done these, but I believe you need to multiply all the measurements together
I would round it out to be 700mph just convert that into km