find comparsion as a ratio reduce to lowest term of 47ft and63yd.
47/(3*63) = 47/(3*3 * 21) = 47 /(3*3*3*7
= 47/189
47 is a prime number so there is not much you can do about it.
= 47/189
47 is a prime number so there is not much you can do about it.