kak2 adek mas2 mba2 tolong yah plis

Semoga membantu ^^
Good Luck ^^

a). 6 3/4 + 8 5/6

= 6 9/12 + 8 10/12

= 14 19/12

= 15 7/12


b). 3 1/5 × 3 3/4

= 16/5 × 15/4

= 12


c). 2 2/9 : 4 2/4

= 20/9 : 18/4

= 20/9 × 4/18

= 40/81





semoga membantu......