Addition of Fractions: Finding a Common Denominator by Multiplying the Denominators

Solve the following exercise:

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

$\frac{8}{15}$

Solve the following exercise:

$\frac{1}{6}+\frac{3}{7}=\text{?}$

$\frac{25}{42}$

Solve the following exercise:

$\frac{1}{3}+\frac{2}{4}=\text{?}$

$\frac{10}{12}$

Solve the following exercise:

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

$\frac{9}{10}$

Solve the following exercise:

$\frac{3}{5}+\frac{1}{4}=\text{?}$

$\frac{17}{20}$

Solve the following exercise:

$\frac{1}{2}+\frac{2}{7}=\text{?}$

$\frac{11}{14}$

Solve the following exercise:

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

$\frac{14}{15}$

Solve the following exercise:

$\frac{1}{4}+\frac{3}{6}=\text{?}$

$\frac{9}{12}$

Solve the following exercise:

$\frac{1}{2}+\frac{1}{9}=\text{?}$

$\frac{11}{18}$

Solve the following exercise:

$\frac{2}{8}+\frac{1}{3}=\text{?}$

$\frac{14}{24}$

Solve the following exercise:

$\frac{2}{5}+\frac{2}{6}=\text{?}$

$\frac{22}{30}$

Solve the following exercise:

$\frac{3}{7}+\frac{1}{3}=\text{?}$

$\frac{16}{21}$

Solve the following exercise:

$\frac{1}{4}+\frac{3}{9}=\text{?}$

$\frac{21}{36}$

Solve the following exercise:

$\frac{1}{5}+\frac{2}{3}=\text{?}$

$\frac{13}{15}$

Solve the following exercise:

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

$\frac{13}{30}$

$\frac{2}{9}+\frac{1}{2}=$

$\frac{13}{18}$

$\frac{3}{8}+\frac{1}{9}=$

$\frac{35}{72}$

$\frac{1}{7}+\frac{1}{8}=$

$\frac{15}{56}$

$\frac{3}{5}+\frac{2}{7}=$

$\frac{31}{35}$

$\frac{2}{5}+\frac{1}{6}=$

$\frac{17}{30}$