Question

answer the marked ones...
(c,e,f)....
fast plzzzz

Answer 1

18/ 21 = 0.85..

5/7 = 0.71..

So 18/21> 5/7

11/14 = 0.78..

9/11 =0.81..

So 9/11> 11/14

3/4=0.75

65/67=0.97..

So 65/67> 3/4

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Answer 2

(e) Lcm of 14 and 11= 154

$\frac{11}{14} \times \frac{11}{11} = \frac{121}{154}$

$\frac{9}{11} \times \frac{14}{14} = \frac{126}{154}$

so; now compare

$\frac{121}{154} < \frac{126}{154}$

So;

$\frac{11}{14} < \frac{9}{11}$

(c)Lcm of 21 and 7 = 21

$so \: no \: need \: to \: change \: \frac{18}{21}$

$\frac{5}{7} \times \frac{3}{3} = \frac{15}{21}$

so; Now compare

$\frac{18}{21} > \frac{15}{21} \\ \\ \frac{18}{21} > \frac{5}{7}$

(f) Lcm of 4 and 67=268

$\frac{3}{4} \times \frac{67}{67} = \frac{201}{268}$

$\frac{65}{67} \times \frac{4}{4} = \frac{260}{268}$

So; Now compare

$\frac{201}{268} < \frac{260}{268} \\ \\ \frac{3}{4} < \frac{65}{67}$

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