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Which common denominator could be used to solve the subtraction problem?

5/6 - 2/15

A. 12 ****

B. 30

C. 5

D. 18

I think it is A., am I correct?

6 answers

How many times does 15 go into 12?
It can't sooo...
Is it C then? That was my other guess
Why did you choose C? How many times does 6 go into 5?
Ohh wait, now I see haha! Sorry lol
B. 30, yes?
Yay! You got it!

You're welcome.
Ah yay haha!
and thanks!!<3
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