" What is the largest fraction among "(4)/(5),(4)/(7),(4)/(9)" and "(4)/(11)?

The largest of the fractions (4)/(5), (4)/(7), (4)/(9) (4)/(11) is

Out of the fractions (3)/(5), (7)/(9), (6)/(7), (2)/(3) and (4)/(11) what is the sum of the largest and smallest fractions ?

(i) Between (4)/( 7) and ( 3)/( 8) , which fraction is bigger ? (ii) Which one of the fraction is largest among (2)/(3), ( 3)/( 4), ( 4)/(3), ( 5)/( 4) ?

Which fraction is largest among (3)/(13), ( 2)/( 15), ( 4)/( 17) ?

Out of the fractions (4)/(5), (8)/(9), (6)/(7), (1)/(3) and (3)/(8) what is the sum of the largest and smallest fractions ?

Out of the fractions (5)/( 7) , ( 7)/( 13) , ( 4)/( 7), ( 4)/( 15) and ( 9 )/( 14) , which is the third highest ?

Which of the fraction is largest among (2)/( 5) , ( 5)/( 11), ( 8)/( 17), ( 11)/( 23) ?

Solve the following fractions : (9)/(11)-(4)/(15)