SOLUTION: One-fifth of a number plus one-third of the number is 140. Find the number.?

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Question 622412: One-fifth of a number plus one-third of the number is 140. Find the number.?
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

One-fifth of a numberhighlight%28x%29plus one-third of the numberhighlight%28x%29is 140.

Question states***

 +x%2F5+%2B+x%2F3+=+140  || |Multiplying thru by 15 so as all denominators = 1

    3x + 5x = 140*15

        8x = 140*15

         x = 140*15/8 

         x = 262.5

CHECKING our Answer***

 262.5%2F5+%2B+262.5%2F3+=+140