I = 280/700
I = [tex] \frac{280 / 10}{700 / 10} [/tex]
I = 28/70
I = [tex] \frac{28 / 2}{70 / 2} [/tex]
I = 14/35
I = [tex] \frac{14 / 7}{35 / 7} [/tex]
I = 2/5
J = [tex] \frac{45 X 50 X 18}{30 X 15 X 27} [/tex]
J = 45/15 X 50/30 X 18/27
J = [tex] \frac{45 / 5}{15 / 5} [/tex] X [tex] \frac{50 / 10}{30 / 10} [/tex] X [tex] \frac{18 / 9}{27 / 9} [/tex]
J = 9/3 X 5/3 X 2/3
J = [tex] \frac{9 / 3}{3 / 3} [/tex] X 10/9
J = 3 X 10/9
J = 30/9
J = [tex] \frac{30 / 3}{9 / 3} [/tex]
J = 10/3