Explain how you can find the missing number in 3 4/5 / x = 2 5/7

(I believe I did it correctly, but you might need to double check)

assuming that the question is

34/5 / x = 25/7

you have to isolate x to find its value.

so, to get rid of the denominator in the first fraction by multiplying 34/5 x x/1 (it is the same as division of fractions)

then you get: 34x/5 = 25/7

then, you would have to get rid of the denominators by multiplying both sides by 5 and 7, which will give you

238x = 125.

and then to get x, you divide 125 by 238. It isn't a nice number but that's how I did it.