(7/3*9/4/25*12)^2=(63/25)^2=3969/625=6 219/625
2 1/3=((2*3)+1)/3=7/3
2 1/4=((2*4)+1)/4=9/4
2 1/12=((2*12)+1)/12=25/12
(7/3*9/4/25*12)^2=(63/25)^2=3969/625=6 219/625
2 1/3=((2*3)+1)/3=7/3
2 1/4=((2*4)+1)/4=9/4
2 1/12=((2*12)+1)/12=25/12