Respuesta :

badusernames

Answer:

Correct

Step-by-step explanation:

Just divide both the numerator and the denominator by their common factors.

jackiezhang2007

First of all factor both of the numbers.

405=5*3^4

450=5^2*3^2*2

Now line it up.

5*3*3*3*3

---------------

5*5*3*3*2

Now we can cancel out some numbers and get

3*3

-----

5*5

Now we actually multiplies them again and get.

9/10

This is the process of how to get it hope it helped!