#1




Converting decimals to fractions
I have learned to convert decimals to fractions. I am doing it now for fun, as entertainment since I have learned how to do it. It is a skill that is needed for such as reading a micrometer caliper. I am having problems with a problem that I came up with. Here it is: .075 + .350. + .275 = .7 Breaking the decimals down I get....075=3/40 .350=7/20 .275=11/20 and with the .7 I came up with 7/10. Now when I add up 3/40, 7/20 and 11/20. I came up with 25/40. Breaking that down I came up with 5/8. I thought the answer would be 7/10. Obviously I came up, some how, with a gross error. Will someone show me the error of my ways? Thanks Tim
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#2




Quote:
3/40 14/40 22/40 your error
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* * The factory of the future will have only two employees, a man and a dog. The man will be there to feed the dog. The dog will be there to keep the man from touching the equipment. ~Warren G. Bennis Last edited by GWIZ; 05052016 at 07:30 PM. 
#3




Quote:
So add it up: 75/1000+350/1000+275/1000=700/1000, get to the lowest common denominator by dividing each by 100 and you get 7/10
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#4




This. A decimal is already a fraction, with some multiple of 10 as the denominator. Convert to the biggest one and add, then simplify.
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#5




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* * The factory of the future will have only two employees, a man and a dog. The man will be there to feed the dog. The dog will be there to keep the man from touching the equipment. ~Warren G. Bennis 
#6




Ok. After doing a quick calculation, .275 still comes up as 11/40. Here is how I did it. .275 X 1000 = 275 On the bottom...1 X 1000 = 1000.
Breaking down 275/1000 here is what I came up with...275 / 5 = 55. 1000 / 5 = 200. Then....55 / 5 = 11. 200 / 5 = 40. That is how I came up with 11/40. Now when I take 40 into 11 I come up with .275 It does seem to come out right. Maybe I am wrong. I have been wrong on many occasions Thanks Tim
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#7




Ok I saw the error of my ways. For example...when doing 11/20 with the lower number as 40, I took 20 into 40 which would be 2. Instead of multiplying 2 X 11 to come up with 22, I was adding, 2 + 11 coming up with 12. After I added it all up, I came up with 39/40.
Thanks Tim
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#8




Quote:
Not "forty"
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* * The factory of the future will have only two employees, a man and a dog. The man will be there to feed the dog. The dog will be there to keep the man from touching the equipment. ~Warren G. Bennis 
#9




Quote:
You are right. It is already a fraction with some multiplication involved. Thanks Tim
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Hey! What do ya'll say we go to Wallys house?!?!?! 
#10




Quote:
Thanks Tim
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