I need help trying to solve this or trying to prove if the two ratios equivalent or not. PLEASE HELP!!

Answer:
they are equivalent because when they have the same denominator, they have the same numerator.
Step-by-step explanation:
make the denominators the same by multiplying them together.
84/126 . 84/126
Answer:
They are equivalent.
Step-by-step explanation:
4 14
-- and --
6 21
Calculating the cross product:
4* 21 = 84
6 * 14 = 84
So they are equivalent.