Add and Subtract Fractions Like Denominators

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

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?

How confident are you in your ability to add or subtract fractions with like denominators?

• 4

• 3

• 2

• 1

What is 3/4 + 1/4 = ?

Mathematical Equivalence

ON

If Sadie ate a 2/9 of a pizza, and Payton ate 3/9 of a pizza, how much much of the pizza was left?

• 4/9

• 9/5

• 5/9

• 4/5

Match the following differences

• 1/3

• 2/3 - 1/3 =

• 3/10

• 4/5 - 4/5 =

• 4/9

• 4/10 - 1/10 =

• 1/10

• 8/9 - 4/9 =

• 0/5

• 8/10 - 7/10 =

3/8 + 2/8

• 5/8

• 1/8

• 5/16

• 3/10
• 3/5
• 3/25
• 15/5

2/12 + 3/12

• 5/12

• 5/24

• 6/12

• 6/144