Multiplying and Dividing Fractions

Multiplying and Dividing Fractions

I can multiply and divide fractions.

​I can multiply and divide negative fractions.

​Vocabulary

​Reciprocal - a reciprocal of a number is another number than, when multiplied together, their product is 1. To find the reciprocal of a fraction, flip the fraction.

Multiple Choice

I can multiply fractions.

$$\frac{1}{4}\cdot\frac{3}{5}=$$  

• $$\frac{3}{9}$$  

• $$\frac{1}{3}$$  

• $$\frac{5}{12}$$  

• $$\frac{3}{20}$$  

Multiple Choice

I can multiply fractions.

$$\frac{1}{8}\cdot\frac{8}{11}=$$  

Make sure to simplify!

• $$\frac{11}{64}$$  

• $$\frac{8}{11}$$  

• $$\frac{1}{11}$$  

• $$\frac{8}{88}$$  

Multiple Choice

I can divide fractions.

$$\frac{1}{3}\div\frac{2}{7}=$$  

• $$\frac{7}{6}$$  

• $$\frac{6}{7}$$  

• $$\frac{2}{21}$$  

• $$\frac{21}{2}$$  

Multiple Choice

I can divide fractions.

$$\frac{3}{5}\div\frac{4}{5}$$  

Make sure to simplify!

• $$\frac{3}{4}$$  

• $$\frac{12}{25}$$  

• $$\frac{15}{20}$$  

• $$\frac{25}{12}$$  

Multiple Choice

I can multiply fractions.

$$\frac{1}{4}\cdot\left(-\frac{3}{5}\right)=$$  

• $$\frac{3}{9}$$  

• $$\frac{3}{20}$$  

• $$\frac{5}{12}$$  

• $$-\frac{3}{20}$$  

Multiple Choice

I can multiply fractions.

$$-\frac{1}{8}\cdot\left(-\frac{8}{11}\right)=$$  

Make sure to simplify!

• $$\frac{11}{64}$$  

• $$-\frac{8}{11}$$  

• $$\frac{1}{11}$$  

• $$-\frac{8}{88}$$  

Multiple Choice

I can divide fractions.

$$-\frac{1}{3}\div\left(-\frac{2}{7}\right)=$$  

• $$\frac{7}{6}$$  

• $$\frac{6}{7}$$  

• $$\frac{2}{21}$$  

• $$\frac{21}{2}$$  

Multiple Choice

I can multiply and divide negative fractions.

$$-\frac{3}{5}\div\frac{4}{5}$$  

Make sure to simplify!

• $$-\frac{3}{4}$$  

• $$\frac{12}{25}$$  

• $$\frac{3}{4}$$  

• $$\frac{15}{20}$$