Yes, to 3/8
No.
No
4/16 = 1/4
1/8.
It is: 3/4
7/16
You cannot reduce 23/6. 23 is a prime number.
Yes. 16/200 = 2/25
28/16 = 7/4
9/16 cannot be further reduced.
You divide the numerator and denominator by the same number, which is the Greatest Common Factor. Here 6/16 divided by 2/2 = 3/8 which is the simplest form.