SOLUTION: please advise ME HOW TO CALCULATE 1/5+1/3.5+1/2

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Question 893843: please advise ME HOW TO CALCULATE 1/5+1/3.5+1/2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
First convert the middle value to an integer by multiplying numerator and denominator by 2.
1%2F3.5=2%2F7
Now find a common denominator.
2%2A5%2A7=70
1%2F5%2B2%2F7%2B1%2F2=14%2F70%2B20%2F70%2B35%2F70

1%2F5%2B2%2F7%2B1%2F2=69%2F70