Question

What is the difference of 9/10 and 2/3

Answer 1

9/10-2/3= 7/30

This is what your looking for

Answer 2

9/10-2/3  
First find the LCM for the denom. 30

9*3/10*3 - 2*10/3*10

27/30 - 20/30

7/30

I think thats right:)