Fractions Review

Fractions Review

Parts of a whole

We have three main types of fractions

• Proper

• Improper

• Mixed

When working with fractions the first step is ALWAYS

to change mixed numbers to improper fractions

Multiple Choice

Write this mixed number as an improper fraction

 $2\ \frac{3}{4}$  

•  $\frac{12}{4}$  

•  $\frac{11}{4}$  

•  $\frac{10}{4}$  

Multiple Choice

Convert to an improper fraction

 $3\ \frac{1}{2}$  

•  $\frac{7}{2}$  

•  $\frac{5}{2}$  

•  $\frac{5}{3}$  

Multiple Choice

 $9\ \frac{3}{5}$  

•  $\frac{27}{5}$  

•  $\frac{32}{5}$  

•  $\frac{48}{5}$  

When adding fractions

Find a common denominator

Add the numerators

Keep the denominator

Simplify

Multiple Choice

 $\frac{2}{3}+\frac{1}{3\ }=$  

make sure to simplify 

• 1

•  $\frac{2}{3}$  

•  $\frac{3}{3}$  

Multiple Choice

 $\frac{3}{5}+\frac{2}{7}=$  

•  $\frac{31}{35}$  

•  $\frac{5}{7}$  

•  $\frac{1}{7}$  

Multiple Choice

 $2\ \frac{1}{3}\ +\ 3\ \frac{1}{4}$  

•  $5\ \frac{1}{4}$  

•  $5\ \frac{7}{12}$  

For subtraction you also need a common denominator

Multiple Choice

 $\frac{5}{7}-\frac{2}{7}=$  

•  $1$  

•  $\frac{3}{7}$  

•  $\frac{4}{7}$  

Multiple Choice

 $\frac{3}{5}-\frac{1}{3}=$  

•  $\frac{4}{5}$  

•  $\frac{4}{15}$  

•  $\frac{1}{5}$  

Multiple Choice

 $\frac{1}{4}\times\frac{2}{3}$  

•  $\frac{2}{12}$  

•  $\frac{8}{3}$  

•  $\frac{1}{6}$  

Multiple Choice

 $2\ \frac{1}{3}\times5\ \frac{2}{5}$  

•  $12\ \frac{3}{5}$  

•  $10\ \frac{2}{15}$  

•  $13\ \frac{1}{3}$  

Multiple Choice

 $1\ \frac{1}{2\ }\times2\ \frac{1}{5}$  

•  $2\ \frac{1}{10}$  

•  $2\ \frac{5}{7}$  

•  $3\ \frac{3}{10}$  

Multiple Choice

 $\frac{2}{3}\div\frac{1}{4}=$  

•  $\frac{8}{3}$  

•  $\frac{2}{12}$  

•  $\frac{1}{6}$  

Multiple Choice

 $\frac{3}{10}\div\frac{2}{3}=$  

•  $\frac{5}{10}$  

•  $\frac{9}{20}$  

•  $\frac{1}{15}$  

Multiple Choice

 $5\ \frac{3}{5}\div2\ \frac{1}{3}=$  

•  $\frac{28}{5}$  

•  $\frac{7}{3}$  

•  $\frac{12}{5}$