toling di jawab ya....lagi butuh bgt nih..

biskuit= 1/2 x 3 = 1 1/2
 permen = 2 x 1/3 =2/3
coklat =5 x 1/10 = 5/10 = 1/2

1 1/2 + 2/3 +1/2 = 2 4/6 =2 2/3