PLS HELP ME ON THIS YOU CAN DO ALL THE QUESTIONS PLSSSS

Answer:
The first is [tex]\frac{4}{10}[/tex]
The second is [tex]\frac{10}{16}[/tex]
The third is [tex]\frac{3}{10}[/tex]
The fourth is [tex]\frac{6}{21}[/tex]
The fifth is [tex]\frac{3}{5}[/tex]