math help

What is 7/12 + 4/12?

What is 7/12 + 4/12?

Here's how to add

7
12
 +
4
12

Step 1

Since our denominators match, we can add the numerators.

7 + 4 = 11

Answer:

11
12

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 7/12 + 4/12

7
12
 +
4
12
 =
11
12
© 2014 Randy Tayler

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