suatu pecahan a/b, diketahui b-a =2 ,jika nilai b sama dengan 1 2 per 3 (baca:1.2per3) kali A ,maka tentukanlah pecahan itu...

b - a = 2
b = 2 + a

b = 1⅔a
b = (5/3)a

(5/3)a = 2 + a
(5/3)a - a = 2
(5/3)a - (3/3)a = 2
(2/3)a = 2
a = 2 × 3/2
a = 3
b = 2 + a
b = 2+3 = 5
pecahan tsb a/b = 3/5