What is 3/20 + 2/10?

Here's how to add

Step 1

We have to make sure the denominators are equal.

20 goes into 10 evenly, so we only need to multiply one term to get a common denominator.

Multiply 2 by 2, and get 4, then we multiply 10 by 2 and get 20.

We now have a new problem, that looks like this:

Step 2

Since our denominators match, we can add the numerators.

3 + 4 = 7

Answer:

Step 3

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. 11 is larger than 7. So we're done reducing.

And we're done! Here's the final answer to 3/20 + 2/10