Practice Test 8

Add $\frac{3}{10}+\frac{4}{100}$. First, convert $\frac{3}{10}$ to an equivalent fraction with denominator 100: $\frac{3}{10}=\frac{30}{100}$. Then add: $\frac{30}{100}+\frac{4}{100}=\frac{\square}{100}$. What is the sum?

Convert $\frac{8}{10}$ to hundredths and add $\frac{11}{100}$. Write: $\frac{8}{10}=\frac{80}{100}$. Then add: $\frac{80}{100}+\frac{11}{100}=\frac{\square}{100}$. What is the sum?