which is bigger

Yes Heather.

4/6 = 2/3   = 0.6  repeater  

4/6 =50%

7/9 = $${\frac{{\mathtt{7}}}{{\mathtt{9}}}} = {\mathtt{0.777\: \!777\: \!777\: \!777\: \!777\: \!8}}$$

Which is bigger than 50%

So 7/9

4/6  is  NOT 50%!         3/6 is!

MathsGod, you need to fix your post up :) 

its  true what civonamzuk said

4/6 would equal:

.66666666666666666666666

7/9 would equal:

.77777777777777777777777

overall, you were right about 7/9 being larger than 4/6. your answer was correct. your work though is when things went a bit, eh, lets just say a bit sloppy