3/4=0.75 and 5/16=0.31 ,so 3/4 is greater

This is the same as asking: Which is greater 12/16 or 5/16?

If your question is about which has greater

Is there a kids' section on this Web site? Or were you just experimenting...deciding whether or not to join up?

If your question is about which has greater

*magnitude*, then the answer is unmistakable. But what grade is that assigns such simple homework or test question?Is there a kids' section on this Web site? Or were you just experimenting...deciding whether or not to join up?

3/4 is the greater.

3/4 is greater. For example 3/4 of 16 is 12/16

3/4=12/16，12/16-5/16=7/12>0，so 3/4 is greater than 5/16.