Which of the two rational numbers `5/7a n d3/5` is greater?

Which of the two rational numbers 3/5a n d\ (-2)/3 is greater?

Which of the two rational numbers 3/5a n d\ (-2)/3 is greater?

Which of the two rational numbers (-4)/9a n d5/(-12) is greater?

Which of the two rational numbers (-4)/9a n d5/(-12) is greater?

Which of the two rational numbers -7/13 and 5/(-13) is greater ?

Which of the two rational numbers 3/4 and -5/6 is greater?

Add the rational number : (-5)/7\ a n d3/7

Which of the two rational number (2)/(-3) and (-4)/(5) is greater ?

Which of the rational numbers (3)/(5) and (5)/(7) is greater ? Insert three rational numbers between (3)/(5) and (5)/(7) so that all the five numbers are in ascending order of their values.