Answer:
20/8 and 45/18
Step-by-step explanation:
Set each fraction up with the proportion 10/4 and cross multiply to see if there products are equal.
E.x 20/8
10/4=20/8 then cross multiply
10×8=80 and 20×4=80
80=80
Another one is 45/18.
10/4=45/18
10×18=180 45×4=180
180=180
