All Operations in 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:

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

$\frac{10}{12}$

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:

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

$\frac{9}{12}$

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:

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

$\frac{13}{15}$

Solve the following exercise:

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

$\frac{13}{30}$

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

$\frac{15}{56}$

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

$\frac{17}{30}$

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

$\frac{3}{4}$

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

$\frac{13}{30}$

$\frac{1}{4}+\frac{1}{3}=$

$\frac{7}{12}$

$\frac{2}{5}+\frac{1}{4}=$

$\frac{13}{20}$

$\frac{4}{9}+\frac{1}{2}=$

$\frac{17}{18}$

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

$\frac{17}{15}$

$\frac{1}{3}+\frac{1}{4}=$

$\frac{7}{12}$

Solve the following exercise:

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

$\frac{2}{15}$