I know how to do equivalent fractions but idk how to do this one

2/4 = x/6
2/4 = 1/2 = 3/6
you find the least common denominator which will be 12
2/4 = 6/12
you multiply 4 x 3 to get 12 so you have to multiply 2 x 3 and get 6.
now if you divide both numbers 6/12 by 2 then 6/12=1/2.
another way to look at this one is 2 is half of 4, so what is half of 6.
../.... = .../......