What should be added to the following to get $1$.

$\frac{199}{200}$

What should be added to the following to get $1$.

$\frac{998}{1000}$

Solve the following.

$\frac{1}{9}+\frac{1}{3}$

Solve the following.

$\frac{1}{8}+\frac{1}{24}$

Solve the following.

$\frac{1}{4}+\frac{1}{20}$

Solve the following.

$\frac{1}{6}+\frac{1}{12}$

Convert the following unlike fractions into like fractions and add them.(Write the fraction in the simplest form)

$\frac{2}{14}+\frac{1}{7}$

Convert the following unlike fractions into like fractions and add them.

$\frac{3}{8}+\frac{4}{9}$

Convert the following unlike fractions into like fractions and add them.

$3+\frac{12}{5}$