Which number can replace the variable to make these fractions equivalent?

n/4 = 15/20

A. 2

B. 3

C. 4

D. 5

Question

Which number can replace the variable to make these fractions equivalent?

n/4 = 15/20  
 
 A. 2

 
 B. 3

 
 C. 4

 
 D. 5

danjs · Answer

now this one has a correct answer to it

danjs · Answer

youc an do it a couple ways, 

first way , reduce 15 / 20   by dividing both top and bottom by 5

anonymous · Answer

for 15 divided by 5 is 3, and 20 divided by 5 is 4.

danjs · Answer

right, so you get

$$\frac{ n }{ 4 } = \frac{ 3 }{ 4 }$$

danjs · Answer

what makes the left look the same as the right

anonymous · Answer

The 4!

danjs · Answer

This is the same?

$$\frac{ 4 }{ 4 } = \frac{ 3 }{ 4 }$$

anonymous · Answer

I ment the 3. I thought you ment what looks the same and both have 4.

danjs · Answer

no, i meant what makes both sides the same, sorry

right, n=3

anonymous · Answer

Thousand thanks to you!!