anonymous
  • anonymous
I need to perform the indicated operations, but when I try to do this, it gets all messed up. Can anyone explain how they go about getting the correct answer for this? 2 2/5 * 3 1/2 - 4/5 = ? My college mathbook doesn't explain much.
Mathematics
chestercat
  • chestercat
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vishal_kothari
  • vishal_kothari
((2 2/5) * (3 1/2)) - (4 / 5) = 7.6
vishal_kothari
  • vishal_kothari
is it correct?
anonymous
  • anonymous
I didn't think it would be a decimal. I assume it would be an even number at the end.

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vishal_kothari
  • vishal_kothari
is it 22/5 or 2 2/5?
anonymous
  • anonymous
two and two fifths
vishal_kothari
  • vishal_kothari
ok
vishal_kothari
  • vishal_kothari
7.6 is correct....
anonymous
  • anonymous
I was trying to go about it as 10/5 * 7/2 - 4/5, but I don't know if thats the right way. Thats when you'd find the least common denominator of all three, but i don't seem to be able to find one that isn't overly high.
anonymous
  • anonymous
oh okay :) then i guess i was right. thank you!
vishal_kothari
  • vishal_kothari
welcome...

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