What is five×fivewhat is the answer for 4 x 5

Well 

4 x 5 = 20 

and

5 x 5 = 25

I'm sure a calculator could help you out with this, But if you don't have access to a calculator I'll show you how to multiply. It's just like adding, Let's use 6 x 7 for example. Take the first number ( Which is 6 in this case ) and look at the second number ( Which would be 7 ) The second number represents how many times you would add the first number together. So:

6 + 6 + 6 + 6 + 6 + 6 + 6 = 42 ( We add 6 together 7 times )

So

6 x 7 = 42

There are faster methods but this is probably the best way to start out.

1. 3/6 or 1/22. 1/123. 1/84. 1/105. 2/12 or 1/6