SOLUTION: perform the indicated operation. write your final answer exactly as a fraction in lowest terms. please show all of your work 7/10-1/2

Algebra ->  Signed-numbers -> SOLUTION: perform the indicated operation. write your final answer exactly as a fraction in lowest terms. please show all of your work 7/10-1/2      Log On


   

Question 550310: perform the indicated operation. write your final answer exactly as a fraction in lowest terms. please show all of your work
7/10-1/2
Answer by TutorDelphia(193) About Me  (Show Source):
You can put this solution on YOUR website!
7%2F10-1%2F2
our common denominator is 10
%281%2F2%29%2A%285%2F5%29=5%2F10
7%2F10-5%2F10=2%2F10
2 goes into both 2 and 102%2F10=1%2F5%2A2%2F2
1/5 is your answer