Wells : Multiply and Divide Fractions & Decimals (Mixed)

When we multiply fractions, we

• Keep Change Flip

• add them together

• multiply across the top then multiply across the bottom

• cross multiply

When we divide fractions, we

• Multiply across the top and multiply across the bottom

• Keep Change Flip

• add them together

• cross multiply

2/3 x 1/4

• 3/8

• 1/6

• 2/7

• 1/5

3/4 x 4/5

• 3/5

• 12/25

• 1/6

• 4/12

 $\frac{1}{3}\div\frac{1}{4}$  

• 4/3

• 1/12

• 2/6

• 3/4

 $\frac{2}{5}\div\frac{2}{5}$  

• 4/10

• 4/25

• 1

• 1/5

 $\frac{3}{7}\div\frac{1}{7}$  

• 1/3

• 3

• 3/7

• 12

7.13 x 5.5

• 3.9215

• 39.215

• 392.15

• 3921.5

0.2 x 0.8

• 16

• 0.16

• 0.016

• 1.6

45.1 x 7

• 31.57

• 315.7

• 3,157

• 3.157