hasil dari 0,64646464....=x/y x + y = ?

0,646464... = 64 / 99
X = 64
Y = 99
X + Y = 163

Bab Pecahan
Matematika SMP Kelas VII

0,646464... = a
0,646464... . 100 = a . 100
64,646464.... = 100a

100a - a = 64,646464... - 0,64646464....
99a = 64
a = 64/99 
64/99 = x/y

x + y = 64 + 99
         = 163