Adding and Subtracting Fractions Answers

A science experiment calls for mixing cups of distilled water with cups of vinegar and cups of liquid detergent. How much liquid in all, in cups, is needed?

What is the best estimate for the value of the expression?

Eliza’s backpack weighs pounds with her math book in it. Without her math book, her backpack weighs pounds. How much does Eliza’s math book weigh?

Patel squeezed oranges so that his family could have fresh-squeezed juice for breakfast. He squeezed cups from the first orange, cups from the second orange, cups from the third orange, cups from the fourth orange, and cups from the fifth orange. Patel estimates that he needs 3 cups of orange juice for his family. About how much more orange juice does he need to reach his estimate?

Shelly has a beaker that contains fluid ounces of water. She pours out fluid ounces of water. Which expression can be used to find the number of fluid ounces of water that remain in the beaker?

A hike starts at an elevation of feet below sea level and ends at an elevation that is 1,542 feet higher. How high is the hiker, in feet, above sea level at the end of the hike?

Carlos biked miles on Saturday and miles on Sunday. On which day did he ride further and by how much?

What is the sum of the fractions? Use the number line and equivalent fractions to help find the answer.

A diver dives yards and then comes back to the surface. Then, she dives yards deeper than her first dive. What is her depth, in yards, in relation to the surface of the water?

Liam had a container of oatmeal that contained cups of oatmeal. Liam ate cup of oatmeal every morning before school for a week. Which is the best estimate of the number of cups of oatmeal that Liam had left in the container at the end of the five-day week?