SOLUTION: 2/5-1/2 _______ 3/4+7/10

Algebra ->  Equations -> SOLUTION: 2/5-1/2 _______ 3/4+7/10      Log On


   

Question 357842: 2/5-1/2
_______
3/4+7/10
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
First simplify using common denominators.
2%2F5-1%2F2=4%2F10-5%2F10=-%281%2F10%29
3%2F4%2B7%2F10=15%2F20%2B14%2F20=29%2F20
Division by a fraction is equivalent to multiplication by its reciprocal.
%282%2F5-1%2F2%29%2F%283%2F4%2B7%2F10%29=-%281%2F10%29%2820%2F29%29
%282%2F5-1%2F2%29%2F%283%2F4%2B7%2F10%29=highlight%28-%282%2F29%29%29