Add Subtract Mixed Fractions With Like Denominators

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

Fractions with equal denominators , are called _________ fractions .

• Unlike

• Like

• Equivalent fractions

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

What is 3/4 + 1/4 = ?

Mathematical Equivalence

ON

What is the sum of these fractions in lowest terms?

• 7/18

• 7/9

• 12/9

• 12/81

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction

• Rewrite the fractions in the simplest form. 

• Find a common denominator. 

• Make each fraction into an improper faction. 

• 5/14
• 3/7
• 5/7
• 5/14

Add the fractions.

• 3/10

• 6/10

• 9/10

• 1/10