math help

What is 21/11 + 4/11?

What is 21/11 + 4/11?

Here's how you add

21
11
+
4
11

Step 1

Since our denominators match, we can add the numerators.

21 + 4 = 25

That gives us the sum, which is

25
11

Step 2

Now, do we need to simplify this fraction?

First, we attempt to divide it by 2...

No good. So next you try the next prime number, which is 3...

No good. So next you try the next prime number, which is 5...

No good. So next you try the next prime number, which is 7...

No good. So next you try the next prime number, which is 11...

No good. So next you try the next prime number, which is 13...

No good. 13 is larger than 11. So we're done reducing.

And we're done! Here's the final answer to 21/11 + 4/11

21
11
+
4
11
=
25
11
© 2014 Randy Tayler