Adding fractions

Adding like fractions

Rory Johnstone

Adding fractions with like denominators

• Add the numerators

• Keep the denominators the same

Visual

• When the denominators are the same , you can add the numerators because you are adding pieces of the same size

• See the image to the right -->

Multiple Choice

 $\frac{4}{7}+\frac{2}{7}$  

•  $\frac{6}{14}$  

•  $\frac{6}{7}$  

•  $\frac{2}{7}$  

•  $\frac{4}{7}$  

Multiple Choice

 $\frac{4}{15}+\frac{9}{15}$  

•  $\frac{4}{15}$  

•  $\frac{13}{30}$  

•  $\frac{13}{15}$  

•  $\frac{9}{15}$  

Multiple Choice

 $\frac{2}{9}+\frac{3}{9}$  

•  $\frac{5}{9}$  

•  $\frac{5}{18}$  

•  $\frac{2}{9}$  

•  $\frac{3}{9}$  

Multiple Choice

 $\frac{3}{8}+\frac{1}{8}$  

•  $\frac{1}{8}$  

•  $\frac{3}{8}$  

•  $\frac{1}{16}$  
  

•  $\frac{4}{8}$  

Multiple Choice

Faleh painted 5/12 of a fence. Faris painted 4/12 of the fence. How much of the fence did they paint altogether?

•  $\frac{4}{12}$  

•  $\frac{5}{12}$  

•  $\frac{9}{12}$  

•  $\frac{9}{24}$  

Multiple Choice

 $\frac{5}{8}+\frac{1}{8}$  

Write the fraction in it's simplest form

•  $\frac{6}{8}$  

•  $\frac{3}{4}$  

•  $\frac{5}{8}$  

•  $\frac{1}{8}$  

Multiple Choice

Nisreen is working on a jigsaw puzzle. She completed 1/10 of the puzzle yesterday and 3/10 of the puzzle today.

In simplest form, what fraction of the puzzle

is completed?

• 
  

  $\frac{2}{5}$
  

• $\frac{2}{10}$

• $\frac{3}{5}$

• $\frac{3}{10}$

Poll

Do we understand adding fractions?

• I completely understand

• I understand but need more practice

• I don't understanding