SOLUTION: I am having difficulty adding these. I say we have to find the common denminator but someone else said just add them across. Would you tell me which way is right? Thanks so much fo

You can put this solution on YOUR website!

REMEMBER:
of numbers can be computed using , but a conceptually simpler definition involves only integer addition and multiplication:

So, you will have:
………… the lest common denominator is
…………reduce
…………
…………
………… the numerator becomes
Since the denominator, of course, is , so the fraction is or