Question

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?
Ms. Sue
How many times does 15 go into 12?

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

You're welcome.






cAt.ExE HaS sTopPeD wORkInG
Ah yay haha!
and thanks!!<3