math help

What is 8/12 - 9/12?

What is 8/12 - 9/12?

Here's how to subtract 9/12 from 8/12:

8
12
 −
9
12

Step 1

Since our denominators match, we can subtract the numerators.

8 − 9 = -1

So the answer is:

-1
12

Step 2

Last of all, we need to simplify the fraction, if possible. Can it be reduced to a simpler fraction?

To find out, we try dividing it by 2...

No good. 2 is larger than -1. So we're done reducing.

There you have it! The final answer is:
8
12
 −
9
12
 = −
1
12

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