Yes, 2/2 is 1 and 90/2 is 45, so 2/90 is 1/45.
18/90=1/5
3/5
7/90
You can't simplify 4 over 90 as a whole number meaning 4 can't go into 90 evenly. So, the answer will be 22.5. That is your answer.
No
yes 2 over 5
don't think you can simplify it
18/90=1/5
3/5
7/90
You can't simplify 4 over 90 as a whole number meaning 4 can't go into 90 evenly. So, the answer will be 22.5. That is your answer.
No.
No
-2
2/81
It can be factored as 18(5-2x^2)
2 1/2