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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 ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 6 years ago

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

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