9 Add Fractions with Like Denominators Lesson

Adding Fractions with Like Denominators

and different numerators

What is a like denominator?

A like denominator is a denominator that is the same. This means that the whole has been divided up into the same number of parts.

Multiple Choice

Do the fractions 1/3 and 2/3 have like denominators?

• yes

• no

Multiple Choice

Do the fractions 4/7 and 2/8 have like denominators?

• yes

• no

Multiple Choice

The first step when adding fractions is to ...

• Add the numerators

• Make sure the denominators are the same

• Make sure the numerators are the same

• Add the denominators together

Multiple Choice

$$\frac{3}{6}$$  +  $$\frac{9}{6}$$  = 

• $$\frac{12}{12}$$  

• $$\frac{27}{36}$$  

• $$\frac{7}{6}$$  

• $$\frac{12}{6}$$  

Multiple Choice

$$\frac{3}{8}$$  +  $$\frac{5}{8}$$  

• $$\frac{8}{16}$$  

• $$\frac{15}{8}$$  

• $$\frac{8}{8}$$  

• $$\frac{15}{69}$$  

Multiple Choice

Arronasia gave  $$\frac{2}{12}$$  of her candy bar to her cousin and  $$\frac{3}{12}$$  of the candy bar to her brother. Which shows how much of the candy bar Arronasia gave away?

• $$\frac{5}{12}$$  

• $$\frac{6}{12}$$  

• $$\frac{1}{12}$$  

• $$\frac{7}{12}$$  

Multiple Choice

$$\frac{2}{8}$$ +  $$\frac{3}{8}$$    

• $$\frac{6}{16}$$  

• $$\frac{5}{16}$$  

• $$\frac{5}{8}$$  

Multiple Choice

$$\frac{2}{6}$$  +  $$\frac{2}{6}$$  =

• $$\frac{4}{12}$$  

• $$\frac{4}{6}$$  

• $$\frac{2}{6}$$  

Multiple Select

What is the top number in a fraction called?

• denominator

• fraction bar

• numerator

• pieces

Multiple Choice

$$\frac{4}{7}+\frac{2}{7}=$$  

• $$\frac{2}{7}$$  

• $$\frac{6}{7}$$  

• $$\frac{8}{7}$$  

• $$\frac{6}{14}$$  

Multiple Choice

• $$\frac{4}{10}$$

• $$\frac{0}{5}$$

• $$\frac{2}{10}$$

• $$\frac{4}{5}$$

Multiple Select

• $$\frac{6}{10}$$

• $$\frac{4}{10}$$

• $$\frac{6}{20}$$

• $$\frac{3}{5}$$

Multiple Choice

6/12 - 3/12

• 9/12

• 3/12

• 8/12

Multiple Choice

two sixths plus one sixth

• 3/6

• 3/12

Multiple Choice

Mr. Smith buys 5/8 pound of red grapes and 2/8 pound green grapes. How many pounds did Mr. Smith buy?

• 7/8 pound

• 3/8 pound

• 5/8

Multiple Choice

Allie bought a pizza that had 6 equal slices. Her friends ate 2/6 of the pizza and she ate 2/6 of the pizza. What fraction of the pizza was eaten in all?

• 5/6

• 2/6

• 4/6

• 3/6

Multiple Choice

Harry bought a pizza that had 10 equal slices. His friends ate 7/10 of the pizza and he ate 2/10 of the pizza. What fraction shows how much pizza was eatten?

• 9/10

• 5/0

• 1/10

• 5/10