Hi there!
»»————- ★ ————-««
I believe your answer is:

»»————- ★ ————-««
Here’s why:
⸻⸻⸻⸻

⸻⸻⸻⸻
»»————- ★ ————-««
Hope this helps you. I apologize if it’s incorrect.
The greatest common factor is 7.
So if you want to solve for c, the best thing to do is isolate the variable. So I personally don't enjoy dealing with fractions that much until the very end, so I am going to multiple the entire equation by

to eliminate the fraction. So now the equation is

. In order to isolate the c variable, subtract both sides by

, which makes it

. Now divide both sides by g,

. So that's what c equals in terms of f, d and g.
Answer:
12/20 and 5/20
Step-by-step explanation:
for 3/5is multiplied with 4 both numerator and denominator
as known as 1/4 will multiplied by 5/5