4.nf.3 add and subtract fractions/mixed numbers

Decompose the following fraction:
6/10

• 1/6 + 5/6
• 2/10 + 4/10
• 3/10 + 2/10
• 1/10 + 1/10 + 3/10

How can you decompose 4/7?

• 1/7 + 1/7 + 1/7 + 1/7
• 2/7 + 2/7
• 3/7 + 1/7
• all of the above

Decompose the fraction ⁴/₈ into unit fractions.

• ²/₈ + ²/₈
• ¹/₈ + ¹/₈ + ¹/₈ + ¹/₈
• ³/₈ + ¹/₈
• 4 + 8

Which of the following show how to decompose 6/12?

• 2/12 + 3/12
• 3/12 + 3/12
• 4/12 + 1/12
• 6/12 + 6/12

3/5 + 1/5 =

• 4/5
• 2/5
• 5/5
• 3/5

7/10 + 2/10 =

• 5/10
• 6/10
• 9/10
• 8/10

11/20 + 3/20 =

Make sure your answer in simplest form

• 8/20

• 7/10

• 10/20

• 5/10

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

• 4/6
• 5/6
• 2/3
• 1/3

 $\frac{8}{10\ }+\ \frac{4}{10}$  

Choose 2 correct answers.

•  $\frac{12}{20}$  

•  $\frac{12}{10\ }$  

•  $1\ \frac{2}{10}$  

•  $1\ \frac{2}{20}$  

•  $\frac{4}{10}$  

3/8 + 7/8

Make sure your answer is a mixed number in simplest form

(a)