SOLUTION: 1/4 + 3/10a I have no idea how to solve this.. please help

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Question 869978: 1/4 + 3/10a
I have no idea how to solve this.. please help
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Your expression gives this as rendered: 1%2F4+%2B+3%2F10a.

The two denominators, prime-factored, are 2*2 and 2*5*a. Lowest or simplest common denominator is 20a.

%281%2F4%29%285a%2F5a%29%2B%283%2F10a%29%282%2F2%29