Fractions Add and Subtract Mixed Numbers

Ava is going to combine two bags of soil. One bag weighs 7 4/9 pounds and the other weighs 3 1/6 pounds.  Once combined, what will be the total weight of the soil?

• 10 1/3 pounds

• 10 11/18 pounds

• 10  pounds

When adding and subtracting fractions that have unlike denominators you should . . .

• make mixed numbers

• find a common denominator

• add the denominators and numerators

Every day, Amanda's hot dog cart uses
1 1/4 pounds of ketchup.  For how many days will 8 3/4 pounds of ketchup last?

• 8 days

• 7 days

• 9 days

Marsha's cookie recipe calls for 3 1/2 cups of sugar.  If she plans to only make 3/4 of the recipe, how many cups of sugar will she need?

• 2 5/8 cups

• 3 cups

• 3 3/8 cups

Solve and simplify to lowest terms

• A

• B

• C

• D

• 13 16/25
• 13 1/4
• 14 2/5

• 5 1/2
• 1 1/6
• 5 5/14
• 4 19/24

• A

• B

• C

• D

Mikela uses 1 1/6 cups of rye flour and 3/4 cups of wheat flour to make bread.
How much flour does Mikela use in all?

• 1 11/12 cups

• 1 3/4 cups

• 1 2/5 cups

• 2 cups

What is the value of the following expression?

• -12 and 19/21

• -12 and 1/2

• -2 and 3/4

• -2 and 5/21