Multiply +/- Fractions

Multiply +/- Fractions

Multiple Choice

How do you multiply two fractions?

• Multiply the numerator by the denominator.

• Multiply the denominator by the numerator.

• Multiply straight across.

• Add the numerators, then add the denominators.

Multiple Choice

How do you make a whole number a fraction?

• Put a one as the numerator.

• Put a one as the denominator.

• Place the number over itself.

• Just leave it as a whole number.

Multiple Choice

 $Change\ 4\ \frac{5}{6}\ into\ an\ improper\ fraction$  

•  $\frac{26}{6}$  

• 29

•  $\frac{29}{6}$  

• 26

Multiple Choice

 $\left(-1\frac{1}{3}\right)\left(3\frac{2}{5}\right)$  

•  $-4\frac{8}{15}$  

•  $\frac{3}{15}$  

•  $\frac{20}{36}$  

•  $\frac{15}{48}$  

Multiple Choice

 $\frac{5}{9}\cdot\frac{1}{3}$  

•  $\frac{6}{12}$  

•  $\frac{1}{2}$  

•  $\frac{6}{27}$  

•  $\frac{5}{27}$  

Multiple Choice

 $\left(2\ \frac{4}{5}\right)\left(1\ \frac{3}{4}\right)$  

•  $-2\ \frac{12}{20}$  

•  $3\ \frac{12}{20}$  

•  $4\frac{9}{10}$  

•  $-\frac{21}{9}$  

Multiple Choice

 $\left(-\frac{5}{7}\right)\times\left(-4\right)$  

•  $\frac{5}{28}$  

•  $-\frac{20}{28}$  

•  $2\frac{6}{7}$  

•  $-4\ \frac{5}{7}$  

Multiple Choice

 $1\ \frac{1}{2}\times\ \left(-\ 3\ \frac{2}{3}\right)$  

•  $-5\frac{1}{2}$  

•  $4\ \frac{2}{6}$  

•  $-3\ \frac{2}{6}$  

•  $\frac{2}{6}$  

Multiple Choice

 $\frac{3}{9}\times\left(-2\right)$  

•  $-\frac{6}{18}$  

•  $\frac{3}{18}$  

•  $\frac{9}{6}$  

•  $-\frac{6}{9}$  

Multiple Choice

 $\left(\frac{2}{3}\right)\left(\frac{3}{8}\right)$  

•  $-\frac{1}{4}$  

•  $\frac{5}{11}$  

•  $\frac{1}{4}$  

•  $\frac{6}{11}$