Adding and subtracting unlike fractions

¹/₁₀₀ + ⁴/₁₀ =

• ⁵/₁₀₀
• ⁴⁵/₁₀₀
• ⁴¹/₁₀
• ⁴¹/₁₀₀

 $\frac{4}{10}+\frac{30}{100}=$  

•  $\frac{7}{10}$  

•  $\frac{34}{100}$  

•  $\frac{34}{110}$  

•  $\frac{43}{100}$  

In a fish tank, 3/10 of the fish were red and 6/100 of the fish were blue. What fraction of the fish were red or blue?

• 90/100

• 36/100

• 9/10

• 63/100

 $\frac{3}{10}\ +\ \frac{5}{100}\ =$  

6/10 + 3/100 =

• 9/100
• 63/100
• 90/100
• 9/10

2/10 + 13/100=

• 30/100

• 15/100

• 33/100

4/10 + 75/100

• 79/100

• 115/100

• 1 15/100

• 1 3/20

  $\frac{45}{100}+\ \frac{ }{10\ }=\ \frac{85}{100}$  

What is the missing value?

• 35

• 30

• 40

• 4

7/10 + 6/100

• 13/100

• 130/100

• 1 3/10

• 76/100

How would you add 1/10 and 25/100?

• 15/100

• 1/100

• 3/10

• 35/100