perform the indicated operations. thank youuu po sa-sasagot !! <33

Answer:
[tex]1) \: 15[/tex]
[tex]2) \: \frac{18}{25} [/tex]
[tex]3) \: \frac{315}{32} [/tex]
[tex]4) - \frac{221}{15} [/tex]
[tex]5) \: \frac{25}{6} [/tex]
[tex]6) - \frac{22}{5} [/tex]