math help

What is 8/12 + 9/12?

What is 8/12 + 9/12?

This is how to add

8
12
 +
9
12

Step 1

Since our denominators match, we can add the numerators.

8 + 9 = 17

That gives us an answer of

17
12

Step 2

Can this fraction be reduced?

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 12. So we're done reducing.

And we're done! Here's the final answer to 8/12 + 9/12

8
12
 +
9
12
 =
17
12
© 2014 Randy Tayler

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