SOLUTION: Subtract. Express your results in simplest form. 7cd/9 - cd/9

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Question 47452: Subtract. Express your results in simplest form.

7cd/9 - cd/9
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
think of this as (cd/9). We have 7 of them take away 1 of them. How many of them do we have left? Answer 6.

So answer is 6(cd/9).

Now this can be simplified since 6 and 9 are both divisible by 3, leaving 2cd/3

jon