5th grade Math problems (needs to show work )

Please show work

Meg has 2 and 5/6 liter of lime soda. She used 1 and 4/5 of it to make a fruit punch. How much of a liter of lime soda does she use to make the fruit punch?

Tyrone and his three friends wanted to share the rest of the bag of Spicy Cheetos. They were going to split the of the bag at lunch. What fractional piece did each person receive? Make sure to include a model and equation.

Ms. Acker baked muffins. She added ½ cup of sugar to the muffin batter and then divided the batter equally into the 12 sections of the muffin pan. What fraction of a cup of sugar will each muffin contain?