Posted by Anonymous on .
can you please explain &show me how to get these answers to common denominators,find the sum & difference,write in simplest form,7/103/5 =,2/31/6 =,5/67/12 =,5/12+1/4=,1/6+2/9=,5/8+1/2=,3/8+1/4= i'm really having a huge problem understanding this,it's getting late,i'm having a test tomorrow &really need to know how to do these.Thank you so much for allyour help.

5th grade math 
Writeacher,
You didn't bother to read and follow directions in my previous post?
http://www.jiskha.com/display.cgi?id=1298606169 
5th grade math 
laticiya,
how will you get 5divided by4,820