Addition of Fractions: One of the denominators is the common denominator in visual display

Solve the following exercise:

$\frac{1}{5}+\frac{7}{10}=\text{?}$

$\frac{9}{10}$

Solve the following exercise:

$\frac{2}{3}+\frac{2}{9}=\text{?}$

$\frac{8}{9}$

Solve the following exercise:

$\frac{2}{4}+\frac{3}{8}=\text{?}$

$\frac{7}{8}$

Solve the following exercise:

$\frac{1}{5}+\frac{3}{10}=\text{?}$

$\frac{5}{10}$

Solve the following exercise:

$\frac{1}{2}+\frac{1}{4}=\text{?}$

$\frac{3}{4}$

Solve the following exercise:

$\frac{1}{3}+\frac{3}{6}=\text{?}$

$\frac{5}{6}$

Solve the following exercise:

$\frac{3}{4}+\frac{1}{8}=\text{?}$

$\frac{7}{8}$

Solve the following exercise:

$\frac{1}{2}+\frac{1}{6}=\text{?}$

$\frac{4}{6}$

Solve the following exercise:

$\frac{2}{5}+\frac{4}{10}=\text{?}$

$\frac{8}{10}$

Solve the following exercise:

$\frac{1}{2}+\frac{2}{4}=\text{?}$

$\frac{4}{4}$

Solve the following exercise:

$\frac{1}{3}+\frac{1}{6}=\text{?}$

$\frac{3}{6}$

Solve the following exercise:

$\frac{1}{2.5}+\frac{2}{5}=\text{?}$

$\frac{4}{5}$

Solve the following exercise:

$\frac{1}{5}+\frac{6}{10}=\text{?}$

$\frac{8}{10}$