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Thread: Huh?
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22nd May 2010, 11:48 AM #1
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Huh?
1/4 X 8/5 = 18/45
Doesn't it?
Greg
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22nd May 2010, 11:59 AM #2
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Nope!
Bob
"If a man is after money, he's money mad; if he keeps it, he's a capitalist; if he spends it, he's a playboy; if he doesn't get it, he's a never-do-well; if he doesn't try to get it, he lacks ambition. If he gets it without working for it; he's a parasite; and if he accumulates it after a life time of hard work, people call him a fool who never got anything out of life."
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22nd May 2010, 12:00 PM #3
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I don't get it can you do that?
Regards Ben
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22nd May 2010, 12:31 PM #4
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nope its 4/10ths i think
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22nd May 2010, 12:47 PM #5
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.25 x 1.6 = .4 = 2/5
Originally Posted by Greg Ward
Cheersregards
David
"Tell him he's dreamin.""How's the serenity" (from "The Castle")
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22nd May 2010, 01:32 PM #6
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(1x8) / (4X5) = 8/20 (2/5) or 0.4 as Calm said. Originally Posted by Greg Ward
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22nd May 2010, 01:37 PM #7
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Hey There,
My calcs come out the same as Calm but where did you get 18/45 from???
1/4 x 8/5 = 8/20 =2/5
once I wrote it down I see where the 18/45 came from the little x means multiply
HazzaBIt's Hard to Kick Goals, When the Ba^$%##ds Keep moving the Goal Posts.
Check out my Website www.harrybutlerdesigns.com.au
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22nd May 2010, 01:57 PM #8
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This was kind of what i was thinking.
Regards Ben
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22nd May 2010, 02:40 PM #9
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In order to deal with fractions you always have to find the common denominator. For this calculation I've used 20. IE:
1/4 = 5/20 and 8/5 = 32/20.
5/20 x 32/20 = 160/400.
Break 160/400 down and it equals 2/5.
2 div 5 = 0.4.
1 inch = 25.4mm
Multiply 0.4 x 25.4 = 10.16mm.
Hope I haven't confuddled anyone!
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22nd May 2010, 04:15 PM #10
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But....
But 1/4 X 8/4
is not the same as 18/44
or
1/4 X 8/3
is not the same as 18/43
Whereas 1/4 X 8/5 = 18/45 = 0.4
Why?
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22nd May 2010, 04:29 PM #11
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Originally Posted by Greg Ward
Hey Where did you learn numbers from, that don't work either
18/45 = 18 divided by 45 which = 0.4Last edited by HazzaB; 22nd May 2010 at 04:30 PM. Reason: added calc
It's Hard to Kick Goals, When the Ba^$%##ds Keep moving the Goal Posts.
Check out my Website www.harrybutlerdesigns.com.au
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22nd May 2010, 04:39 PM #12
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oops...
Corrected. Thanks.
Should have been 0.4
But don't criticize my maths.
I'll give you another example:
1/2 X 5/4
or
1 x 5
-----------
2 x 4
= 15/24 = 5/8
try it for
1 x 5
--------
2 x 6
..... This does not equal 15/26
Greg
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22nd May 2010, 06:15 PM #13
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Greg have you been cutting too much Camphor again?
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22nd May 2010, 06:16 PM #14
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Hey Greg,
1 x 5 = 5
--------- ---
2 x 4 = 8 the 15/24 is just lucky (This happens now and again)
the next one is
1 x 5 = 5
--------- ---
2 x 6 = 12 equals 10/24 if you want to be silly
HazzaBIt's Hard to Kick Goals, When the Ba^$%##ds Keep moving the Goal Posts.
Check out my Website www.harrybutlerdesigns.com.au
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22nd May 2010, 06:31 PM #15
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Solutions
1/2 x 5/6 doesn't equal 15/26..... sorry
There are only 14 'solutions'
1,2,5,4
(1/2 x 5/4 = 15/24) etc.
1 4 8 5
1 6 4 3
1 6 6 4
1 9 9 5
2 1 4 5
2 6 6 5
4 1 5 8
4 9 9 8
6 1 3 4
6 1 4 6
6 2 5 6
9 1 5 9
9 4 8 9
and others where the numerator and denominator are the same number.
I'm not what sure this all means,,,,,,,,
Time for a beer I think
Regards
Greg
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