SOLUTION: 5/8 + 3/10 - 1/4 = ?

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Question 9409: 5/8 + 3/10 - 1/4 = ?
Answer by DWL(56) About Me  (Show Source):
You can put this solution on YOUR website!
5%2F8%2B3%2F10-1%2F4
Must find common denominator, in this case it is 80.
so we have 5%2F8%2B3%2F10-1%2F4 becomes 50%2F80%2B24%2F80-20%2F80
then we add and subtract to get 54%2F80 reduce to lowest terms by dividing top and bottom number by 2 to get 27%2F40
Answer:
27%2F40