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Find lcm of 2.5, 0.5, 0.175

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Find lcm of 2.5, 0.5, 0.175

Posted by Bharath C 6 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 6 years, 6 months ago

LCM of rational number ={tex}\frac{{{\text{LCM of numerators}}}}{{{\text{HCF of denominators}}}}{/tex}
Numbers are {tex}\frac { 25 } { 10 } , \frac { 5 } { 10 } , \frac { 175 } { 1000 }{/tex}
Now, 25 = 5{tex}\times{/tex}5; 5 = 5{tex}\times{/tex}1; 175 = 5{tex}\times{/tex}5{tex}\times{/tex}7
LCM of (25, 5, 175) = 5{tex}\times{/tex}5{tex}\times{/tex}7 = 175
Also,
10 = 2{tex}\times{/tex}5; 1000 = 2{tex}\times{/tex}2{tex}\times{/tex}2{tex}\times{/tex}5{tex}\times{/tex}5{tex}\times{/tex}5
HCF of (10,10,1000) = 10
LCM of (2.5, 0.5, 0.175) ={tex}\frac { 175 } { 10 } = 17.5{/tex}

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