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![[Post New]](/templates/default/images/icon_minipost_new.gif) 1 Jul 2007 17:57:06 IST
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wat is the lcm of -3\5 and 3\5???????
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1 Jul 2007 18:01:56 IST
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these cant have common multiples... cuz if we start writing multiples of -3/5 ...all will be -ve while all that of 3/5 will be +ve... so thr will be no common multiple of -3/5 and 3/5 PS: here's sth more, LCM of 1/2 and 1/3 will be 1... cuz lcm is the "lowest common mutiple"... and if u'll start writing the multiples of both 1/2 and 1/3... 1 will be the lowest common multiple !!!
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3 Jul 2007 16:04:15 IST
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they do not have any lcm...
LCM OF ANY TWO FRACTIONS P/Q AND R/S
=( LCM OF P & R) / (HCF OF Q & S)
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3 Jul 2007 17:46:46 IST
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The LCM is their square ie (9/25) Rgds.
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4 Jul 2007 15:10:51 IST
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1. on second thoughts, the LCM is +(3/5) itself. It is divisible by (3/5)(+ 1) time and by (- 1 ) time by (- 3/5)
2. Cocneptually, LCM is a no which is the lowest of the common multiples (of a given set of numbers) in magniuide w/out regard to the sign. Hence, answer under 1 above is sustainable.
3. The HCF in this case is minus (3/5), being lower of the two nos:
(3/5) and (-3/5).
4. The above also satisfies the rule that LCM * HCF = No 1 * No 2
Pl let me knwo whether the above is fine. Am open to corrections. rgds.
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6 Jul 2007 12:49:43 IST
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ans is 3/5
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6 Jul 2007 12:55:30 IST
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for magicklo: lcm of 1/2 and 1/3 is 1/6
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