Plz dont ask maths questions i am getting angry guys

Amber had 1/6 of a pie left after the bake sale. rihanna had 3/8 of a pie left. what fraction of a pie did they have altogether?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

For the inequality |c| < |d| to be true, which of the following must be true?