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Posted by **Math Geek** on Tuesday, August 28, 2012 at 6:16pm.

- math -
**Ms. Sue**, Tuesday, August 28, 2012 at 6:20pmHere's your original post and my answer.

what is the common denominater for 3/4, 2/3,and 1/5?

math - Ms. Sue, Tuesday, August 28, 2012 at 6:09pm

Which of these multiples of 5 is also divisible by 2 and 3?

5, 10, 15, 20, 25, 30, 35, 40, 45, 50

**Are you saying that you can't divide these numbers by 2 and 3?**

Hint: Multiples of 2 all end in an even number. That limits the numbers above to those that end in 0.