Adding Mixed Numbers

Adding Mixed Numbers

By Bethany Johnson

Fill in the Blanks

​Today's Learning Goal:
I can add mixed numbers with unlike denominators.

Rate yourself on today's learning goal?

1- I'm just starting out. I don't know much about this yet.

2- I'm on my way. I know a little, but I'm still learning.

3- I've got it. I feel confident and can explain it to someone else.

1. Add whole numbers

2. Find a common denominator if needed.

3. Change both fractions to have the common denominator

4. Add the fractions

5. Now add the whole number sum (from Step 1 ) and the new fraction (from step 4)

6. Simplify and regroup if needed

Multiple Choice

Together:

7  3/2 + 1  1/2

• 10
• 10  1/2
• 11
• 11  1/2

Multiple Choice

4   1/3   + 2  1/3

• 6  1/3
• 6  2/3
• 6  2/6
• 7  2/3

Multiple Choice

Together: Solve the expression:

$$1\frac{2}{5}+6\frac{1}{4}$$

• $$7\frac{11}{20}$$  

• $$7\frac{3}{9}$$  

• $$7\frac{4}{5}$$  

• $$7\frac{13}{20}$$  

Multiple Choice

Together: An expression is shown.

$$\frac{4}{7}+\frac{1}{3}$$  

What is the solution?

• $$\frac{19}{21}$$  

• $$\frac{5}{21}$$  

• $$\frac{20}{21}$$  

• $$\frac{5}{10}$$  

Multiple Choice

What is the sum?

Multiple Choice

What is 2 1/2 + 5 2/4= ?

• 8

• 7 2/6

• 8 1/4

• 33/4

Multiple Choice

A recipe calls for 2 2/4 cups of walnuts and 3 3/8 cups of pecans. How many cups of nuts are needed in all for the recipe?

• $$2\ \frac{3}{4}$$

• $$5\ \frac{8}{9}$$

• $$5\ \frac{7}{8}$$

• $$4\ \frac{3}{6}$$

Multiple Choice

Mrs. Vasquez bought 2 1/3 pounds of grapes and 1 2/3 pounds of bananas. How many total pounds of fruit did she buy?

• 5 pounds

• 4 pounds

• 2 1/3 pounds

• 1 2/3 pounds

Fill in the Blanks

​Today's Learning Goal:
I can add mixed numbers with unlike denominators.

Rate yourself on today's learning goal?

1- I'm just starting out. I don't know much about this yet.

2- I'm on my way. I know a little, but I'm still learning.

3- I've got it. I feel confident and can explain it to someone else.