Multiply -7/1 • -2/9. Your answer should be reduced to its simplest form, and should not be an improper fraction.
Answer

5/9

-5/9

1 and 5/9

-1 and 5/9

Question

Multiply -7/1 • -2/9. Your answer should be reduced to its simplest form, and should not be an improper fraction.
Answer
		
5/9
		
-5/9
		
1 and 5/9
		
-1 and 5/9

hero · Answer

@irmadi33, have you multiplied the given fractions yet?

anonymous · Answer

yeah i got 7/5 v.v

hero · Answer

$-\left(\dfrac{7}{1}\right) \dot\ -\left(\dfrac{2}{9}\right)$ right?

anonymous · Answer

yes

hero · Answer

In general
$\dfrac{a}{b} \times \dfrac{c}{d} = \dfrac{ab}{cd}$

Therefore

$-\dfrac{7}{1} \times -\dfrac{2}{9} = \dfrac{(-7)(-2)}{(1)(9)}$

hero · Answer

So what is the result of that multiplication?

anonymous · Answer

14/9?

hero · Answer

Correct. And now we must convert the improper fraction to a mixed fraction. Notice that

$$\frac{14}{9} = \frac{9 + 5}{9}$$

hero · Answer

Do you notice anything we can do as a result of writing the fraction in that form?