Sean x, y enteros positivos tales que x/43−y/47=1/2021 ¿Cuál es el valor mínimo de x+y?

The answer of this question is 672 .

Then why is the question on here if you know the answer

Well in order to lose a pound you would have to burn 1,500 calories. the more calories you burn the more weight you lose. in order to lose 2 pounds you would have to run 4 hours and 28 minutes.