Sagot :
[tex]\frac{7}{9} \ \ or \ \ \frac{85}{100} \\ \\ \frac{7}{9} \ \ or \ \ \frac{17}{20} \\ \\\frac{7\cdot 20}{180} \ \ or \ \ \frac{17\cdot 9}{180}\\ \\\frac{140}{180} \ \ < \ \ \frac{153}{180} \\ \\ Answer : \ \frac{7}{9} \ \ < \ \ \frac{85}{100}[/tex]
[tex] \frac{85}{100}= \frac{85:5}{100:5}= \frac{17}{20}= \frac{17\cdot9}{20\cdot9}= \frac{153}{180} \\\\ \frac{7}{9}= \frac{7\cdot20}{9\cdot20}= \frac{140}{180} \\\\ \frac{85}{100}>\frac{7}{9}[/tex]
[tex]Ans.\ greater\ is\ \frac{85}{100} [/tex]
[tex]Ans.\ greater\ is\ \frac{85}{100} [/tex]