Fractions Add and Subtract

Review: What is 1/10 + 5/10?

Match the following differences

• 4/9

• 2/3 - 1/3 =

• 1/10

• 8/9 - 4/9 =

• 1/3

• 8/10 - 7/10 =

• 3/10

• 4/5 - 4/5 =

• 0/5

• 4/10 - 1/10 =

Landon has 8/10 of his lawn left to mow. He mows 6/10 of the lawn before breaking for breakfast. How much more of the lawn does Landon have left to mow?

Kirk has 3/4 of a carton of eggs. He uses some of the eggs to make an omelette and now has 2/4 of the carton left. What fraction of the carton did Kirk use?

• A

• B

• C

• D

• A
• B
• C
• D

Review: What is 1/10 less than 5/10?

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

Add these fractions:  1/6 + 3/6
Make sure your answer is in the simplest form.

• 4/6

• 5/6

• 2/3

• 1/3

Solve.  
3/5 + 1/4 = 

• 5/20

• 12/20

• 7/20

• 17/20