7/9+6/8+6/3=
please help me​

Why do interests rates on loans to be lower in a weak economy than in a strong one

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Me because some of question i don’t understand