Yes it reduces to 2/5
no because the most you can reduce 15 over 18 is 5 over 6
no
15 over 25 reduces to 3 over 5
It is 3 over 4.
Yes.
Yes.
No you can not. 15 and 41 do not have a common factor
You cannot reduce 23/6. 23 is a prime number.
To 5/33
1/5
-6/6 is equivalent to -1.
That becomes 8.